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A bob B of mass 1kg is suspended form th...

A bob B of mass 1kg is suspended form the ceiling of a toy train as shown in the figure the train oscillates simple harmonically in horizontal direction with angular frequency `omega = 5rad //s ` amd amplitude `a=0.1m`what is the ratio of maximum and minimum tensions in the string AB during the motion `(g=10ms^(-2)&tan 37^(@)=3//4)`

A

2

B

3

C

4

D

1

Text Solution

Verified by Experts

The correct Answer is:
A
+m omega^(2)A=mg`
`T_(1max)=T_(2)sin37`
` a_(max)=omega^(2)A=2.5m//s^(2)=g//4`
` T_(1min)=(3//4)mg-mg//4=mg//2`
`T_(1max)/T_(1min)=2:1`
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