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A trolley is accelerating down an inclin...

A trolley is accelerating down an incline of angle theta with acceleration g sintheta which of the following is correct (a is the angle made by the string with vertical)

A

`alpha=theta`

B

`alpha=theta^(@)`

C

Tension in the string T=mg

D

Tension in the string `T=mg sec theta`

Text Solution

Verified by Experts

The correct Answer is:
A

` Tsina=mgsinthetacostheta`
` Tcosa= mgcos^(2)theta`
`Rightarrow a-theta`
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