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A pendulum of mass m hangs from a suppor...

A pendulum of mass m hangs from a support fixed to a trolley. The direction of the string (i.e., angle `theta`) when the trolley rolls up a plane of inclination `alpha` with acceleration 'a' is

A

Zero

B

`tan^(-1)alpha`

C

`tan^(-1)(a+g sin alpha)/(g cos alpha)`

D

`"tan"^(-1)(a)/(g)`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-LAWS OF MOTION-EXERCISE - II
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  18. A body of mass 5kg is under the action of 50N on the horizontal surfac...

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  19. Two trolleys of mass m and 3m are connected by a spring. They are comp...

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