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A student attaches a rope to a box and pulls the box up a ramp as shown below. The ramp has a rough surface. When
drawing the free body diagram for the box, the friction force should be directed:
O up and to the right
down and to the left
up and to the left
to the left
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A student attaches a rope to a box and pulls the box up a ramp as shown below. The ramp has a rough...
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