Quiz 6: Applications of Newtons Laws

Physics & Astronomy

At the lower deceleration the frictional force required to decelerate the sack of groceries was below the maximum static friction between the sack and the seat,but at the higher deceleration the frictional force was not sufficient,so the sack slid.

The net force acting on the object must be zero.

Yes,although the speed is constant,the direction of the velocity can be changing.

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