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Question

When a person walks on a rough surface, the frictional force exerted by the surface on the person is opposite to the direction of his motion.

A
True
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B
False
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Solution

The correct option is A True
It is the direction in which the person walks.
because when walking you apply a force with
your foot on the ground in the opposite direction
to where go want to walk.
Hence frictional force act in the opposite
direction.

1147298_990340_ans_d40d609d98224f1da8811557c7c57116.JPG

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