What is the work done on the block by the force of friction as the block moves a distance up the incline?

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A block of mass 1.00 sits on an inclined plane as shown. Aforce of magnitude 20.0 is pulling the block up the incline atconstant speed. The coefficient of kinetic friction between theplane and the block is 0.500. The inclined plane makes an angle30.0 with the horizontal.

A) What is the total work Wf done on the block by the appliedforce F vector as the block moves a distance 9.00m upthe incline?

Now the applied force is changed so that instead of pullingthe block up the incline, the force pulls the block down theincline at a constant speed.

B) What is the total work Wf done on the block by the force offriction as the block moves a distance 9.00m down theincline?

C) What is the total work Wf done on the box by the appliedforce 20.0N in this case?

Starting from rest, a kg block slides down a rough incline. The coefficient of kinetic friction between the block and the incline is . Determine (a) the work done by the force of gravity, (b) the work done by the friction force between block and incline, and (c) the work done by the normal force.

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Starting from rest, a 5.00kg block slides 2.50 m down a rough 30.0⁰ incline. The coefficient of kinetic friction between the block and the incline is μ_k = 0.436. Determine the work done by the friction force between the block and incline.

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What is the work done on the block by the force of friction as the block moves a distance up the incline?

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Physics: Principles with Applications

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