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A uniform cylinder free to turn around a...

A uniform cylinder free to turn around a fixed axis has a string wrapped around it as shown. The string is pulled with a force F equal to the cylinders weight. What is the acceleration of the string?

A

2g

B

g

C

g/2

D

g/4

Text Solution

Verified by Experts

`RxxF=(1)/(2)mR^(2)prop,F=mg, alpha=(2g)/(R)`
`a=Ralpha=2g`
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