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A bob is hanging over a pulley inside a ...

A bob is hanging over a pulley inside a car through a string. The second end of the string is in the hands of a person standing in the car. The car is moving with constant acceleration a directed horizontally as shown in fig. The other end of the string is pulled with constant acceleration a vertically. The tension in the string is equal to

A

`msqrt(g^2+a^2)`

B

`msqrt(g^2+a^2)-ma`

C

`msqrt(g^2+a^2)+ma`

D

`m(g+a)`

Text Solution

Verified by Experts

The correct Answer is:
C
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