SSC MTS EXAM

SSC

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When an object is in motion, it’s ____ must change.
A
Shape
B
Size
C
Acceleration
D
Position
Explanation: 

Detailed explanation-1: -An object is said to be in motion of it changes its position with time. If the position is not changing with respect to time, then the body is said to be at rest.

Detailed explanation-2: -Motion is defined as a change in position of an object with respect to time, thus option B is correct.

Detailed explanation-3: -When an object does not change its position with respect to its surroundings or time, it is said to be at rest.

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