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Newest Mechanics Questions

1. The ________ the handle of a wrench, the _________ the mechanical advantage.shorter, less shorter, less shorter, greater longer,
   1. 3 answers
   2. asked by trump101
   3. 35 views
2. Which advantage does a screw have over a nail? (1 point)Responses A screw can be inserted with less force than a nail. A screw
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3. ) Label the leverage component on the following lever.Pliers input force fulcrum output force
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4. An object is pushed upwards against a slope by a pushing force (P) which forms an angle of 15° with slope. The object weighs
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5. Which advantage does a screw have over a nail? (1 point)ResponsesA screw is pushed through a shorter distance.A screw is pushed
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6. Which advantage does a screw have over a nail? (1 point)Responses A screw is pushed through a shorter distance. A screw is
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   2. asked by wasssupppp
   3. 109 views
7. Fill in the blank Oiling bicycle chains or chainsaws is efficient at making the machines work better because the oil reduces
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8. A shovel performs several different functions. One of these is that it gives mechanical advantage as a lever. When does it act
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9. A beam is 7,5 m long. It is supported at the left end and has another support 1,5 m from the right end. From the left end, a
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   2. 65 views
10. the best way to increase mechanical advantage of the following second class lever is
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    2. 48 views
11. The pitch of screw jack is 0.5cm. The arm is 50cm long and it mechanical advantage is 250. What is the efficiency. ( Leaving
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    2. asked by Peculiar
    3. 70 views
12. Which example represents a class two leverA a car door being opened and shut B a screwdriver opening a paint can C salad tongs
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    2. asked by crickettheguy biggest fan 🦗 🦟🦗🦟🦗
    3. 69 views
13. A train goes at a constant speed. It can travel 150 miles in 2 and a half hours. How long would it take for that train to travel
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    2. asked by rsm student
    3. 61 views
14. A solid cylinder of mass M = 1.31 kg and radius R = 8.9 cm pivots on a thin, fixed, frictionless bearing (see Figure). A string
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15. In which situation is the magnitude of the total force greater than the magnitude of each of the individual forces?(1 point)Resp
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16. 20) _____ is an example of first-class levers (a) nut cracker (b) bottle opener (c) spanners (d) table knife
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17. The drawing shows a chain-saw blade. The rotating sprocket tip at the end of the guide bar has a radius of 1400m. The linear
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    2. 44 views
18. A small rock bounces off the windshield of a moving car and experiences a large change in velocity. How does the car's momentum
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    2. 86 views
19. 1. The idler gear ensures that the driver and the driven gearsA) operate without losses B) rotate fast C) rotate the opposite
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    2. asked by Ellie
    3. 87 views
20. A 0.20kg ball is thrown straight up from the edge of a 30.0m tall building at a velocity of 22.0m/s. Theball moves up to the
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    2. 81 views
21. Given DIAGRAM 1.1 where FT means Tension and W means Weight, calculate the tension on the steel cable given the following
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    2. 105 views
22. An elevator has a mass of 2250 kg.a) What is the tension in the cable that supports the elevator when it is at rest? Complete
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23. A student walks east 100 meters in 2 minutes. She then walks north 200 meters in 4 minutes. Which statement is true?(1
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    2. asked by eli
    3. 440 views
24. The connecting rod from the piston to the crankshaft in a certain 2.0 L engine is 6.4 in. The radius of the crank circle is 2.8
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    2. 71 views
25. What is the mechanical advantage of the class 1 lever?Input = Effort Output = Load a 60 b .00138 c 6 d 21,600 e 216
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    2. asked by kali
    3. 246 views
26. A block of mass m is at rest on the table. Is it possible for this block at rest to have only a single force acting on it?
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    2. asked by Deadrea
    3. 91 views
27. Oiling bicycle chains or chainsaws is efficient at making the machines work better because the oil reduces
    1. 1 answer
    2. asked by A
    3. 137 views
28. The principal stress at a point in a strained material are 126MPatensile and 63 MP tensile, the third principal stress being
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    2. asked by Saurabh santosh shinde
    3. 152 views
29. 1 A climber of mass 80 kg is on a steep rock face. The force Xthat the rock exerts on the climber is at an angle of 50° to the
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    2. asked by Tewodros fenta
    3. 233 views
30. A plank AB 3m long weighing 20kg with its centre of gravity 2m from the end A carries a load of mass 10kg at the end A. it rests
    1. 1 answer
    2. asked by Emmanuel
    3. 433 views
31. A uniform disc of moment of inertia 75 kg * m ^ 2 and radius of gyration 3 rates with an angula velocity of 2 rad s', Determine
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    2. asked by Jennifer uchechukwu
    3. 938 views
32. Three sleds are tied together and pulled with a force of 150 N [E]. The mass of sled 1 is 13.0 kg, the mass of sled 2 is 10.0
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    2. asked by bhvhtr
    3. 446 views
33. the handle of the screw jack is 35cm long and the pitch of the screw is 0.5cm.what force must be applied at the end of the
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    2. asked by domy
    3. 1,602 views
34. The piston at A has a cross-sectional area of 600 sq. cm while that B is 100 sq. cm. The difference in elevation between pistons
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    2. asked by kyle
    3. 753 views
35. If the winch drum is 6m calculate how far the cage will drop for each single rotation of the drum
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    2. asked by Fathima zahra
    3. 488 views
36. An empty truck weight4000N. Its engine can produce a maximum acceleration of 1m/s2. Ifthe truck is loaded with 2000N, find the
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    2. asked by rtg
    3. 255 views
37. a bungee jumper of mass 80kg jumps from 20m, bungee cord has an original length=4m, end of cord in 2m from the bottom when
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    2. asked by hyuck lee
    3. 631 views
38. figure: s.yimg.com/tr/i/0f803deaf4944fffa178bdd3c40e958c_A.pngThe weight of the cylinder is 40 lb, the ropes are fixed at B, C,
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    2. asked by mm
    3. 237 views
39. The principal stress at a point in a strained material are 126MPa tensileand 63 MPa tensile, the third principal stress being
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    2. asked by Sujit
    3. 883 views
40. A box of mass m=10 kg rests on a surface inclined at 0=30° to the horizontal. It is connected by a light weight cord which
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    2. asked by Eddie
    3. 711 views
41. A person is riding on a flatcar traveling at a constant speed of 200 km/s (Fig.). He wishes to throw a ball through a stationary
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    2. asked by Danish
    3. 870 views
42. a round bar 40mm daimeter is subjected is subjected to an axial pull of 80 KN and reduction in daimeter was found to be 0.00775
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    2. asked by Anjali
    3. 591 views
43. A mechanic wants to unscrew some bolts. She has two wrenches available: one is 35 cm long, and one is 50 cm long. Which wrench
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    2. asked by Ashley
    3. 663 views
44. The Young’s modulus of steel is 2 × 1011 N/m2and its rigidity modulus is 8 × 1010 N/m2 Find the Poisson’s ratio & bulk
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    2. asked by Devi
    3. 625 views
45. A uniform rod 1.8m long and of mass 10kg rest horizontally on support at its ends. If a weight of mass 3kg is attached at a
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    2. asked by Abraham
    3. 716 views
46. Question :The cantilever beam AB of length L carries a uniformly distributed W load , which includes the weight of the beam.
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    2. asked by Ashley
    3. 599 views
47. --Original Question:A hollow cylinder with outer radius r_0 and inner radius r_i is loaded by a uniformly distributed load q
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    2. asked by Alex
    3. 506 views
48. A hollow cylinder with outer radius r_0 and inner radius r_i is loaded by a uniformly distributed load q across its length L.
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    2. asked by Alex
    3. 818 views
49. What tool should be used to grip and remove a clip-on wheel from the wheel rim
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    2. asked by Anonymous
    3. 327 views
50. A particle's initial velocity, given as components, is vx = 2.0 m/s and vy = 3.0 m/s. (a) Calculate its velocity 1.5 s later if
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    2. asked by Justin
    3. 654 views