The mover pushed his cart on tile floor and it went fast and easy. When he pushed his cart on carpet it was harder because there is more friction on carpet. What should he do to move his cart on carpet with equal speed?

He should exert same force

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He should exert less force

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He should exert more force

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None of the above

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Solution

The correct option is A He should exert more force
Carpet has a rough surface as compared to the tile floor, because of this friction is higher on the carpet as compared to the tile floor. As we know that friction is opposing force so the mover should increase the force to push the cart, when he is on carpet at the same speed.

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