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A pulley is attached to the celing of a ...

A pulley is attached to the celing of a lift moing upwards. Two particles are attached to the two ends of a stirng passing over the pulley. The masses of the particles are in the ration 2:1 if the acceleration of the particles is g/2, then the acceleration of the lift will be

A

g

B

`(g)/(2)`

C

`(g)/(3)`

D

`(g)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
B
`veca_("pully")=(veca_(1)+vec_(2))/(2)`
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ALLEN -NEWTONS LAWS OF MOTION-EXERCISE-II
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