Which one of the following situations is NOT Possible? A body has zero velocity and non-zero acceleration. A body travels with a northward velocity and a southward acceleration. A body travels with a northward velocity and a northward acceleration. A body travels with a constant velocity and a constant non-zero acceleration. A body travels with a constant acceleration and a time-varying velocity.

Question

Physics

Elaine Melton

3 May, 06:16

Which one of the following situations is NOT Possible? A body has zero velocity and non-zero acceleration. A body travels with a northward velocity and a southward acceleration. A body travels with a northward velocity and a northward acceleration. A body travels with a constant velocity and a constant non-zero acceleration. A body travels with a constant acceleration and a time-varying velocity.

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Virginia Terry · Answer 1

A body has zero velocity and non - zero acceleration. It is possible as at the time when a body thrown upwards is at the top of the height. In that case velocity is zero but acceleration is equal to g.

A body travels with northward velocity but southward acceleration. it is also possible as in case when a body is going with northward velocity but when break is applied acceleration becomes southward.

A body travels with northward velocity and northward acceleration. it is also possible as in case when a body is going with northward velocity and when accelerator is applied. Acceleration becomes northward.

A body travels with constant velocity and a constant non zero acceleration. It is not possible. When there is acceleration, there must be a a change in velocity either in terms of magnitude or direction or both.

A body travels with a constant acceleration and a time varying velocity. It is possible. Time varying velocity represents acceleration.