A) Zero velocity of a partical does not necessary mean that its acceleration is zero.
B) Zero acceleration of a particle does not necessarily mean that its velocity is zero.
C) If speed of a particle is constant, its acceleration must be zero.
D) None of the above
Correct Answer: C
Solution :
If speed that is the magnitude of velocity is constant. Whereas the direction of velocity changes, we cannot say that velocity is constant. Therfore, the particle has zero acceleration.
You need to login to perform this action.
You will be redirected in
3 sec
