Question

Mark the correct statements for a particle going on a straight line
(A) if the velocity is zero at any instant, the acceleration should also be zero at that instant
(B) if the velocity is zero for a time interval, the acceleration is zero at any instant within the time interval
(C) if the velocity and acceleration have opposite sign, the object is slowing down
(D) if the position and velocity have opposite sign, the particle is moving towards the origin

Answer 1

Answer:

option A ,B AND C ARE CORRECT

Answer 2

Answer:

(B) if the velocity is zero for time interval, the acceleration is zero at any instant within the time interval.