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In the question number 89, the force of ...

In the question number 89, the force of friction acting on the cylinder is

A

2/3 Mg sin`theta`

B

1/3 Mg sin`theta`

C

2/5 Mg sin`theta`

D

2/7 Mg sin`theta`

Text Solution

Verified by Experts

The correct Answer is:
b
Force of friction, `f=Mgsintheta-Ma`
`=Mgsintheta-2/3Mgsintheta=1/3Mgsintheta`
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