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suppose the amplitude of a simple pendulum having a bob of mass m.then find the tension in string at its mean position.

suppose the amplitude of a simple pendulum having a bob of mass m.then find the tension in string at its mean position.

Grade:12

1 Answers

Chetan Mandayam Nayakar
312 Points
11 years ago

let 'α' radians be the amplitude. at mean position, kinetic energy=a(1-cos(alpha)),a is length of pendulum

tension in string at mean position=

mg+m(v^2)/a   m(v^2)/2=a(1-cos(α)) 

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