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Questions  

A pendulum bob has a mass m=12kg  and length of string  l=1m. The bob is released from position A. Then maximum tension in the string is ____

a
10 N
b
10 3 N
c
20 N
d
20 3 N

detailed solution

Correct option is A

Vmax=2gl1−cosθ=2× 10×1×1−cos600  m/s=  10   m/s∴    Tmax  =  mg+mVmax2l = 12  ×  10+12 ×  101N=10N

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Similar Questions

A pendulum of length / = l m is released from θ0 = 600. The rate of change of speed of the bob at θ = 300 is (g = 10 m/s2)


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