A 6 kg cart on a level surface is pulled at a constant velocity of 2 m/s by a constant force of 10 N. What is the acceleration? What is the friction force opposing the motion?

1 Answer
MeneerNask
Jul 27, 2017

If the velocity is constant, then the acceleration must be 0.

Explanation:

If acceleration is zero, then the net force on the object must also be zero. This means that the force of 10 N must be counteracted by an equal opposing force, i.e. friction.

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