Questions and answers by

Vanilla-Cashmere

Questions (43)

Which statement best describes the gravitational force of an object?
1. 1 answer
2. 155 views
An astronaut has a mass of 59 kilograms. What will her gravitational force be on the Moon? The gravitational attraction on the
1. 1 answer
2. 312 views
multiply: (-13)(-5)=
1. 1 answer
2. 71 views
multiply: 10(7) =
1. 1 answer
2. 55 views
Which is the best statement of the Law of Conservation of Energy?(1 point)
1. 1 answer
2. 78 views
What is the mathematical representation of a machine’s efficiency? (1 point)Responses Efficiency=EiEo100 , Efficiency equals
1. 1 answer
2. 293 views
Which statement about simple machines is correct?(1 point)
1. 1 answer
2. 78 views
Mark needs to clean up a broken glass on the floor. He can use a hand brush or a broom. Why should he choose the broom?
1. 1 answer
2. 129 views
Luisa uses a nutcracker to crack walnuts. She has to squeeze the handles 12 centimeters to crack a walnut. The part of the arms
1. 1 answer
2. 124 views
To directly lift a crate 0.6 meters, Joaquin would need to apply 312 newtons of force. Instead, he uses a lever with a
1. 1 answer
2. 221 views
Which equation can you use to calculate the mechanical advantage of a simple machine
1. 0 answers
2. 137 views
Which equation can you use to calculate the mechanical advantage of a simple machine?(1 point)Responses MA=Δxi×Δxo M A equals
1. 1 answer
2. 138 views
Anne exerts a force of 34.1 N to pitch a softball. She moves the ball 1.8 meters before releasing it. What amount of work did
1. 1 answer
2. 160 views
What is the relationship among force, mass, and acceleration?
1. 1 answer
2. 108 views
solve for y-1.17y = 5.85
1. 1 answer
2. 103 views
solve for pp\2.3 = 9.2
1. 2 answers
2. 102 views
-52 = -4zfind z
1. 1 answer
2. 83 views
A lever with an effort arm of 10 meters and a load arm of 2 meters is used to lift an object weighing 220 Newtons to a height of
1. 1 answer
2. 202 views
600 Joules of work is used to lift a box from the ground to a height of six meters. How much work would have been done if a
1. 1 answer
2. 192 views
With which class of levers is it possible to increase the force that must be applied?Class 1 and 3 Class 1 and 3 Class 2 and 3
1. 0 answers
2. 198 views
With which class of levers is it possible to increase the force that must be applied?(1 point)Responses Class 1 and 3 Class 1
1. 0 answers
2. 294 views
A lever is used to lift an object with a weight of 60 Newtons. The effort force is 15 meters from the fulcrum, while the load
1. 1 answer
2. 155 views
A class __ lever never has a mechanical advantage.A class __ lever always has a mechanical advantage. A class __ lever could go
1. 1 answer
2. 218 views
A car applies a force of 36.8 Newtons for a 668-meter loop; what was the work done?
1. 1 answer
2. 231 views
If W=F×d, which of the following equations shows work being calculated using the correct units?
1. 1 answer
2. 154 views
What is the mathematical relationship between force and work?Responses
1. 1 answer
2. 113 views
A narrator who is not part of the story and only knows particular portion of thoughts and feelings isdoes anybody have the
1. 1 answer
2. 270 views
true or false An increase in pay is an example of a push factor
1. 1 answer
2. 97 views
true or false Meteorology is the science of predicting the weather
1. 1 answer
2. 165 views
true or false
1. 1 answer
2. 110 views
true or falseSociety is defined as social relations and groups formed by humans within a specific geographic area
1. 1 answer
2. 104 views
true or false the ecological perspective is concerned with the human elements of location
1. 1 answer
2. 127 views
Which property is illustrated by the statement? (4+6.1) + 7 = 4+ (6.1+7)
1. 2 answers
2. 262 views
Which property is illustrated by the statement? (4+6.1) + 7 = 4+ (6.1+7)1. Associative property of addition 2. Inverse property
1. 1 answer
2. 194 views
A student holds a water balloon outside of an open window and lets go. The window is 10 meters above the ground, and the balloon
1. 1 answer
2. 468 views
A helicopter is accelerating up into the air while it is also accelerating due north. Which statement about the forces acting on
1. 1 answer
2. 160 views
The harder a gas pedal in a car is pressed, the faster the car’s velocity increases. Which phrase best describes the
1. 1 answer
2. 176 views
The same type of engine is placed in two different airplanes. The first airplane is twice as heavy as the second airplane. Which
1. 1 answer
2. 349 views
A spring scale shows a net force of 0.8 N acting on a 1.5-kg mass. What happens to the acceleration of the object if the net
1. 1 answer
2. 313 views
A dog weighing 18 kg runs into a park at a velocity of .63 m/s. What is the momentum of the dog?
1. 1 answer
2. 157 views
A stone with a mass of 10 kg sits on the ground. Gravity acts on the stone at a rate of 9.8 m/s2. What is the normal force
1. 1 answer
2. 164 views
Two construction workers are attempting to pull a slab of concrete off of the ground. Each of the workers are pulling up with a
1. 1 answer
2. 343 views
A hamster in a ball begins its journey 5 feet to the left of a refrigerator, travels 20 feet to the right of the refrigerator,
1. 2 answers
2. 342 views

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