GENERAL KNOWLEDGE

GK

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An acceleration of 0 m/s2 indicates
A
the object must be at rest
B
the object is moving at a constant velocity
C
The object is moving in a circle
D
None of the above
Explanation: 

Detailed explanation-1: -Since the object is moving with a constant velocity, it means an acceleration of the body will be zero.

Detailed explanation-2: -A moving object is in equilibrium if it moves with a constant velocity; then its acceleration is zero.

Detailed explanation-3: -Answer and Explanation: If the object has a zero acceleration, there is no change in the speed of the object between its initial and final position. The initial and final position of the object may be the same or different; if they are the same, it means the object is stationary.

Detailed explanation-4: -Derivative of velocity with respect to time is acceleration. That means if accelerations is zero, velocity must be constant.

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