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A ball is hung by a string from the ceil...

A ball is hung by a string from the ceiling of a car moving on a straight and smooth road. If the string is inclined towards the front side of the car making a small constant angle with the vertical, then the car is moving with

A

Constant velocity

B

Constant acceleration

C

Constant retardation

D

Increasing acceleration

Text Solution

Verified by Experts

The correct Answer is:
C

When accelerated, string inclined back side of car and when retarded, string inclined front side of car.
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