Question

1.
Velocity time graph for a moving object is found to be curved line, then its acceleration is :
(a) Variable
(b) constant
(c) zero
(d) none of these​

Answer 1

Answer:

Constant

Explanation:

It will be a curved line only when the acceleration is constant, since the acceleration is increasing for the which the velocity is increasing uniformly for which it forms  a parabolic curve.