A sledge loaded with bricks has a total mass of 18.7 kg and is pulled at constant speed by a rope inclined at 19.5° above the horizontal. The sledge moves a distance of 19.4 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0.500. Find parts a-c.

Q: Suppose you would like to drag a block of mass m across a horizontal surface (with kinetic friction…

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A: in this question we  use free body diagram equation and then solve it.

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Q: 2) Calculate the amount of work done by the person on the crate.

A: Given mass mo = 20 kg speed vo = 1.2 m/s distance travelled Δx = 3 m

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Q: a crate of mass m = 130 kg is pushed at constant speed up the frictionless ramp (? = 25.0°) by a…

A: Given Mass (m)  = 130 kg Angle θ = 25°

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Q: A warehouse worker exerts a constant horizontal force of magnitude 85 N on a 40 kg box that is…

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Q: A penguin slides at a constant velocity of 3.90 m/s down an icy incline. The incline slopes above…

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A: Free body diagram,

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Q: Determine the acceleration experienced by the crate in m/s2.

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Q: A 3.130 kg block of wood rests on a steel desk. The coefficient of static friction between the block…

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Q: A force is applied to an initially stationary block of mass 5.70 kg that sits on a horizontal floor…

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Q: A block is pushed across a rough horizontal surface by the force shown. The coefficient of static…

A: Solution: Given that m = 2 kg coefficient of friction = 0.17 angle =29 degree

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Q: A block is being pulled up an inclined plane by a force with magnitude F=45.0 N as shown In the…

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Q: Which of the following best describes the directions of friction and normal force?

A: The direction of friction and normal force.

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Q: A 2.80-kg block starts from rest at the top of a 30.0° incline and slides a distance of 1.70 m down…

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Q: A block with a mass of 7.15 kg is on a horizontal surface that has friction. A string is pulling…

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Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.