Sir/Mam following is my question :

A body is moving along a tough level road with a speed of 15m/s among a given direction. Does any force is required to maintain this speed ? Why ?

Pls help me solve this question.

Thnx

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Solution

A force is surely being applied by the body.
On a tough level road, there is friction and we need to overcome the frictional force
So a force is surely being applied by the body to maintain speed.

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