Starting from rest, a 5.00-kg block slides 2.50 m down a rough 30.0º incline. The coefficient of kinetic friction between the block and the incline is μk = 0.436. Determine a. the work done by the force of gravity, b. the work done by the friction force between block and incline, c. the work done by the normal force, d. how the work done by gravity would change if a shorter ramp at a steeper angle were used to span the same verticle height.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter5: Energy
Section: Chapter Questions
Problem 5P: Starting from rest, a 5.00-kg block slides 2.50 m down a rough 30.0 incline. The coefficient of...
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Starting from rest, a 5.00-kg block slides 2.50 m down a rough 30.0º incline.  The coefficient of kinetic friction between the block and the incline is μk = 0.436.  Determine

a. the work done by the force of gravity,

b. the work done by the friction force between block and incline,

c. the work done by the normal force,

d. how the work done by gravity would change if a shorter ramp at a steeper angle were used to span the same verticle height.

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