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  • A beam of uniform density of length ' L '  is  hanging vertically with the help of the pivot as shown in the figure. At what length below the pivot an impulse should be

A beam of uniform density of length ' L '  is  hanging vertically with the help of the pivot as shown in the figure. At what length below the pivot an impulse should be applied such that it does not experiences shock at the hinge.

Option: 1

\frac{L}{3}


Option: 2

\frac{2 L}{3}


Option: 3

\frac{L}{6}


Option: 4

\frac{5L}{6}


Answers (1)

best_answer

y=\frac{I_{C M}}{M(L / 2)}=\frac{\frac{1}{1 2} M L^2}{\frac{M L}{2}}

y=\frac{L}{6}

height of the point below the pivot  =\frac{L}{6}+\frac{L}{2}=\frac{2 L}{3}

Posted by

Deependra Verma

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