Answered: A man pushes a m = 3.20 kg block a…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 8P

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A man pushes a m = 3.20 kg block a distance d = 7.40 m along the floor by a constant force of magnitude F = 16.0 N directed at an angle ? = 20.0° below the horizontal as shown in the figure. Assume the floor is frictionless. (Enter your answers in joules.)

Two blocks are on a horizontal surface with their centers separated by a distance d. The block on the left is labeled m. An arrow points downward and to the right toward the left block. The arrow makes an angle of ? with the horizontal.

(a)Determine the work done on the block by the applied force (the force on the block exerted by the man).

(b)Determine the work done on the block by the normal force exerted by the floor.

(c)Determine the work done on the block by the gravitational force.

(d)Determine the work done by the net force on the block.

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