It is possible that a body may have zero velocity with a non-zero acceleration

True

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False

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Solution

The correct option is A True
Yes, an object can have zero velocity and still be accelerating simultaneously.
Let us consider an object moving in the forward direction.
Now, suddenly a force acts on it and tries to decelerate the object in the reversed direction.
While observing the object, you will find that the object will continue to move forward for some time and then stops instantly.
Then the object will start to move in the backward direction.
Example
When the body is projected vertically up, at the highest point its speed becomes zero whereas it is accelerating downwards with g = 9.8 m/s².

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Similar questions

Read each statement below carefully and state with reasons and examples, if it is true or false;
A particle in one-dimensional motion
a) with zero speed at an instant may have non-zero acceleration at that instant
b) with zero speed may have non-zero velocity,
c) with constant speed must have zero acceleration,
d) with positive value of acceleration must be speeding up.

Q. Read each statement below carefully and state with reasons and examples, if it is true or false:
A particle in one-dimensional motion
(a) with zero speed at an instant may have non-zero acceleration at that instant.
(b) with zero speed may have non-zero velocity.
(c) with constant speed must have zero acceleration.
(d) with positive value of acceleration must be speeding up.

Give examples of these statements

a)A body movingat constant speed but having non zero acceleration.

b)A body having zero velocity may not have a zero acceleration.

c)A body having a varying velocity without having varying speed.

d)A body having a non zero acceleration without having varying speed.

It is possible that acceleration of particle is non-zero and velocity is zero at same instant.

Q. State with reasons, it is possible or impossible for an object to have :
Zero speed and may have non zero velocity

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