Ask a new Mechanics question. Multiple AIs will answer your question.

Newest Mechanics Questions

1. Which terms correctly represent a vector quantity and its respective unit?a speed - meters per second b weight - kilogram c mass
   1. 1 answer
   2. 164 views
2. A pushing force of 7 N to the right is applied to a book on a table. A frictional force of 3 N is applied in the opposite
   1. 1 answer
   2. 177 views
3. If motion is perpendicular to force, no work has been done.Group of answer choices True False
   1. 1 answer
   2. 166 views
4. Which of the following describes the ideal mechanical advantage?Effort Distance / Resistance Distance Force x Distance Force x
   1. 1 answer
   2. 155 views
5. Suppose an adult pulls on the rope of a sled with a force of 85N and at an angle of 26° with the ground. If the sled moves 40 m
   1. 1 answer
   2. 158 views
6. Assuming no friction, what is the minimum work needed to push a 2,222 kg truck 53 m up a 10° incline?
   1. 1 answer
   2. 167 views
7. Assuming no friction, what is the minimum work needed to push a 1,755 kg car 65 m up a 20° incline?
   1. 1 answer
   2. 158 views
8. Suppose a 115 N force is applied to a lawnmower handle at an angle of 25° with the ground and the lawnmower moves along the
   1. 1 answer
   2. 163 views
9. Suppose a 115 N force is applied to a lawnmower handle at an angle of 25° with the ground and the lawnmower moves along the
   1. 1 answer
   2. 156 views
10. My car hits a mosquito, and the mosquito hits back, equally.a 3rd Law b 1st Law c 2nd Law
    1. 1 answer
    2. 153 views
11. A 5 kg metal cart is sitting at rest on a frictionless ice surface. Another metal cart whose mass is 1 kg is propelled at the
    1. 1 answer
    2. 177 views
12. A 4 kg object is lifted from the floor and placed on a shelf that is 3 m above the floor. If the object falls off the shelf and
    1. 1 answer
    2. 174 views
13. A 48 kg train is sitting at rest on the track. Another train whose mass is 52 kg hits the first train in a one-dimensional
    1. 1 answer
    2. 179 views
14. What amount of work must a 55 kg runner do to accelerate from rest to a velocity of 3 m/s?
    1. 1 answer
    2. 144 views
15. A 48 kg train is sitting at rest on the track. Another train whose mass is 52 kg hits the first train in a one-dimensional
    1. 1 answer
    2. 187 views
16. A 5 kg metal cart is sitting at rest on a frictionless ice surface. Another metal cart whose mass is 1 kg is propelled at the
    1. 1 answer
    2. 161 views
17. A book is at rest on a flat table. A person gives the book a shove and it slides across the table. The book eventually comes to
    1. 1 answer
    2. 161 views
18. A 16-pound bowling ball strikes a 3.5-pound bowling pin. The pin is moving very fast after the collision. It has a large
    1. 1 answer
    2. 172 views
19. Use the table to answer the question. Object Mass (grams) table tennis ball 2.7 baseball 147.0 small rock 248.2 penny 2.5 A
    1. 1 answer
    2. 165 views
20. Two teams are playing tug of war. The tables show the members of each team and how much pulling force each team member applies
    1. 1 answer
    2. 178 views
21. In one or two sentences, make a hypothesis about whether or not it is easier to start the box moving than to keep it moving on a
    1. 1 answer
    2. 158 views
22. In 1-2 sentences, summarize why the force required to move a ping pong ball is less than the force required to move a bowling
    1. 1 answer
    2. 156 views
23. What is the magnitude of a force?(1 point)Responses the type of force the type of force the motion of the force the motion of
    1. 7 answers
    2. asked by loaf
    3. 162 views
24. In 3-5 sentences, summarizes the balanced forces that are present when a soccer ball us resting on the ground, and the
    1. 1 answer
    2. 164 views
25. In 1-2 sentences, describe what would happen to the arrows and forces if the surface that the crate was on ice. Hint ice has
    1. 1 answer
    2. 156 views
26. Two people are on a train that is moving at 10 m/s north. They are walking 1 m/s south relative to the train. Relative to the
    1. 1 answer
    2. 151 views
27. While you push a box you begin to decrease the force you are exerting on the box. When will the box reach static equilibrium?(1
    1. 1 answer
    2. 158 views
28. Two movers are attempting to push a couch up a ramp. One movers applies a force of 80 N to the right, but the force of friction
    1. 1 answer
    2. 175 views
29. Two mental balls with the same mass hang so that they are touching each other. The ball on the left is pulled to the side and
    1. 1 answer
    2. asked by Sandra Trea
    3. 170 views
30. A bowler throws a ball down the lane toward the pins. The ball reaches the pins and slowly moves through them, knocking down the
    1. 1 answer
    2. 161 views
31. Thinking about Newton's third law, it a soccer ball's mass is 6 kg and a player with a mass of 60 kg kicks the soccer ball
    1. 1 answer
    2. 57 views
32. What is the magnitude momentum of a 2 kg body that moves with a speed of 3 m/s?(1 point)Responses 5.0 5.0 1.0 1.0 6.0 6.0 1.5
    1. 1 answer
    2. asked by smarty pants
    3. 50 views
33. What is the representation of the momentum vector?(1 point)Responses a dot a dot a number a number a straight line a straight
    1. 1 answer
    2. asked by smarty pants
    3. 44 views
34. Which of these quantities is a vector?(1 point)Responses distance distance time time speed speed momentum
    1. 1 answer
    2. asked by smarty pants
    3. 43 views
35. In a closed system, three objects have the following momentums: 110 kg⋅m/s, −65 kg⋅m/s , and −100 kg⋅m/s . The objects
    1. 1 answer
    2. asked by smarty pants
    3. 42 views
36. A hockey puck is traveling at a velocity of 30 m/sm/s. The puck has a mass of 0.12 kg. What momentum is the puck traveling with?
    1. 1 answer
    2. asked by smarty pants
    3. 47 views
37. Three individuals are pushing a vehicle that is held in place by 600 N of force, and the combined effort of all three
    1. 1 answer
    2. asked by smarty pants
    3. 40 views
38. Which quantity in this image is vector, which is scalar?An illustration shows two cyclists of mass 160 kg moving with a velocity
    1. 1 answer
    2. asked by smarty pants
    3. 41 views
39. Distance vs Displacement
    1. 1 answer
    2. 42 views
40. What is the difference between a vector and a scalar?a A vector is only used in measuring forces, a scalar is only used in
    1. 1 answer
    2. 59 views
41. Two metal balls with the same mass hang so that they are touching each other. The ball on the left is pulled to the side and
    1. 1 answer
    2. asked by Jayla
    3. 59 views
42. A ball bounces on the ground. How do the ball and the ground act on each other?(1 point)Responses The ball exerts a stronger
    1. 1 answer
    2. asked by Jayla
    3. 62 views
43. A coin (5 grams), a small parachute (21 grams), and a hammer (710 grams) are all dropped from a height of 10 meters. The coin
    1. 1 answer
    2. 47 views
44. A person is riding a skateboard on a U-shaped ramp. At which point does the person have the greatest potential energy?(1 point)R
    1. 1 answer
    2. asked by In 2010, approximately 4.6×107 tons of paper we
    3. 47 views
45. Two metal balls with the same mass hang so that they are touching each other. The ball on the left is pulled to the side and
    1. 1 answer
    2. 36 views
46. Which answer best describes displacement? (1 point) Responses Displacement is a scalar quantity which accounts for how far away
    1. 1 answer
    2. 52 views
47. QuestionFour movers pick up boxes. Each box has a different mass, and each mover applies a different amount of force to lift the
    1. 1 answer
    2. asked by bots lover
    3. 42 views
48. A balloon floats inside a stopped car. When the car starts moving forward, the balloon appears to move backward relative to the
    1. 1 answer
    2. asked by bots lover
    3. 47 views
49. put this in easy words and in paragraph form and keyboard fontTo determine the gravitational potential energy (PE) of a 65 kg
    1. 3 answers
    2. 47 views
50. A 65 kg65 kg diver stands still on a tower, 10.0 m 10.0 m above the water. (a) Calculate the gravitational potential energy of
    1. 3 answers
    2. 62 views
51. Identify the relationship between the potential energy (PE) and kinetic energy (KE) of a person standing on a diving platform
    1. 1 answer
    2. 46 views
52. Two bowling balls of different masses collide while accelerating at 1.875 m/s 2 . The first ball, rolling to the right, weighs 7
    1. 1 answer
    2. 61 views
53. A 111kg crate is mkving down a wall at a rate of 6.0m/s squared. A person pushed horizontally in order to stop it. The force of
    1. 1 answer
    2. 45 views
54. A sledgehammer is swung at a wall once the sledgehammer hits the wall it does not break through how do the hammer and the wall
    1. 1 answer
    2. 66 views
55. Two teams are playing tug of war. The tables show the members of each team and how much pulling force each team member applies
    1. 1 answer
    2. 94 views
56. Four friends push on the same block in different directions. Allie pushes on the block to the north with a force of 18 N. Bill
    1. 1 answer
    2. 54 views
57. A net force is applied to an object. Which statement correctly describes the relationship between the net force, mass, and
    1. 1 answer
    2. 63 views
58. Use the equation for the motion of an accelerating object to answer the question.x=x0+v0t+1/2at^2 Which equation could describe
    1. 1 answer
    2. 46 views
59. A group of children are engaged in a game of tug-of-war. The children on the left-hand side of the rope pull with magnitude of
    1. 1 answer
    2. 51 views
60. Use the image to answer the question.An illustration shows a person running after a rabbit. The person weighs 60 kilograms, and
    1. 1 answer
    2. asked by In 2010, approximately 4.6×107 tons of paper we
    3. 41 views
61. Now click the button to increase the force to 150N.Does the crate start to move? No What is the horizontal net force on the
    1. 1 answer
    2. 60 views
62. The wind blows a lawn chair that weighs 4 kg into a fence with a force of 8 N. How much reaction force does the fence exert on
    1. 1 answer
    2. 42 views
63. Two metal balls with the same mass hang so that they are touching each other. The ball on the left is pulled to the side and
    1. 1 answer
    2. 48 views
64. QuestionWhich situation describes a negative acceleration?(1 point) Responses a bicycle increasing its velocity as the rider
    1. 1 answer
    2. 40 views
65. QuestionFour movers pick up boxes. Each box has a different mass, and each mover applies a different amount of force to lift the
    1. 1 answer
    2. 50 views
66. What is inertia?(1 point)Responses the motion of an object the motion of an object the speed and direction of an object in
    1. 1 answer
    2. 38 views
67. QuestionWhat is the momentum of an object?(1 point) Responses the net force acting on the object the net force acting on the
    1. 1 answer
    2. 49 views
68. Magnitude and Direction of Force Quick Check3 of 43 of 4 Items Question A soccer player kicks a ball toward a net. Which
    1. 1 answer
    2. 44 views
69. Question 1Which is a vector quantity? a velocity b speed Question 2 What is the difference between distance and displacement? a
    1. 3 answers
    2. 55 views
70. picture shows two guys holding signs the sign on the left says 5 meters long and the sign on the right says 5 meters eastIn the
    1. 1 answer
    2. 40 views
71. Four students push on a block of wood with the forces shown in the diagram below. Assume friction is negligible. What is the net
    1. 1 answer
    2. 69 views
72. What is the net force acting on the block? Are the forces balanced or unbalanced? How will the block move?a The net force on the
    1. 1 answer
    2. 38 views
73. Potential Energy of a System Quick Check4 of 44 of 4 Items Question If a monkey drops a banana off of a cliff, where are the
    1. 1 answer
    2. asked by quandale dingle
    3. 51 views
74. 1. Which is a vector quantity?a speed b velocity 2. What is the difference between distance and displacement? a Distance is
    1. 1 answer
    2. 75 views
75. Suppose a motorcyclist rides a certain high-speed motorcycle. He reaches top speed and then coasts up a hill.The maximum height
    1. 1 answer
    2. 50 views
76. In 1989, Michel Menin of France walked on a tightrope suspended under a balloon nearly at an altitude of3150 m above the ground.
    1. 1 answer
    2. 50 views
77. You are told 3 things... 1 that there are two objects with equal masses. 2. Both objects are in motion. 3. One object has a
    1. 1 answer
    2. 60 views
78. Question 1Which is a vector quantity? a velocity b speed Question 2 What is the difference between distance and displacement? a
    1. 1 answer
    2. 62 views
79. The kinetic energy of a golf ball is measured to be 1433 J. If the golf ball has a mass of about 47.0 g, what isthe ball’s
    1. 1 answer
    2. 39 views
80. Four movers pick up boxes. Each box has a different mass, and each mover applies a different amount of force to lift the box.
    1. 1 answer
    2. asked by Sandra Trea
    3. 45 views
81. The dog has a mass of 63kg and the boy has a mass of 51kg. Which of the two has the LOWER kinetic energy?(1 point) The dog. The
    1. 1 answer
    2. asked by help
    3. 62 views
82. Two people are on a train that is moving at 10 m/s north. They are walking 1 m/s south relative to the train. Relative to the
    1. 1 answer
    2. 39 views
83. What is the momentum of an object?(1 point)Responses the state of motion of an object with mass the state of motion of an object
    1. 1 answer
    2. 42 views
84. A net force is applied to a moving object. Which statement best describes the effect of the force?(1 point)Responses The force
    1. 1 answer
    2. 42 views
85. While you push a box you begin to decrease the force you are exerting on the box. When will the box reach static equilibrium?(1
    1. 1 answer
    2. 54 views
86. 7. When someone jumps down on a trampoline, that person is propelled upwards. Choose the best statement describing how this
    1. 1 answer
    2. 37 views
87. A ball falls from a shelf. Assuming there is no friction, why is the conservation of mechanical energy independent of mass?(1
    1. 1 answer
    2. 79 views
88. As the bicyclist rides from right to left, at which of the three points, if any, is the bicyclist's potential energy increasing?
    1. 1 answer
    2. asked by help
    3. 52 views
89. Two teams are playing tug of war. team a pulls to the right with a force of 450 n. team b pulls to the left with a force of 415
    1. 1 answer
    2. 66 views
90. Question: 1. Which of the equations below are dimensionally correct? (where v is velocity, x is position, a is acceleration, and
    1. 1 answer
    2. asked by mimi
    3. 53 views
91. Ball A has a mass of 12.0 kg and is moving due west with a velocity of 2.0 m/s while ball B has a mass of 3.5 kg and is moving
    1. 1 answer
    2. 61 views
92. Ball A has a mass of 12.0 kg and is moving due west with a velocity of 13.0 m/s while ball B has a mass of 3.5 kg and is moving
    1. 1 answer
    2. 60 views
93. An object hits the ground with a velocity of 133.0 m/s and is brought to rest in 2.5 seconds. If the object's mass is 56. kg,
    1. 1 answer
    2. 53 views
94. A medicine ball whose mass is 11. kg is traveling with a velocity of .8 m/s due west and collides with a second medicine ball
    1. 1 answer
    2. 43 views
95. A 0.14 kg baseball is thrown horizontally at 38. m/s and after it is struck by a bat, it travels at -38. m/s. What impulse did
    1. 1 answer
    2. 49 views
96. Which of the following describes impulse?mass multiplied by acceleration mass multiplied by velocity time multiplied by velocity
    1. 1 answer
    2. 69 views
97. A 0.16 kg cricket ball is thrown horizontally at 30. m/s and after it is struck by a cricket paddle, it travels at -30. m/s. If
    1. 1 answer
    2. 44 views
98. A 0.14 kg baseball is thrown horizontally at 38. m/s and after it is struck by a bat, it travels at -38. m/s. If the contact
    1. 1 answer
    2. 39 views
99. A 0.14 kg baseball is thrown horizontally at 38. m/s and after it is struck by a bat, it travels at -38. m/s. If the contact
    1. 1 answer
    2. 39 views
100. A 15.5 kg ball is moving with a momentum of 40.25 kg⋅m/s. What is the velocity of the ball?
     1. 1 answer
     2. 36 views