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Test Friction

Free body dia...

Question

Free body diagram of a box pushed with constant velocity along a rough horizontal surface is

A

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B

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C

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D

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Solution

The correct option is B

Forces on box are:

F_g - Gravitational force, acting downward

F_N - Normal reaction force from the surface

F_f - Frictional force, acting between tires and road

F_a - Applied force

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