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Question

Which of the following theorem is used for the equilibrium of the body applied with three concurrent coplanar force?

निम्नलिखित में से किस प्रमेय का उपयोग तीन समवर्ती समतलीय बल के साथ लागू वस्तु  के संतुलन के लिए किया जाता है?

A.

Varignon’s theorem

B.

Hamilton theorem

C.

Pythagoras theorem

D.

Lami’s theorem

Answer ( Option D)

Lami’s theorem

Solution

Lami’s theorem is used for the resolution of forces on a body under the equilibrium of three concurrent coplanar force

Let, a body at point O is in equilibrium under three forces F1,  Fand F3 then according to Lami’s theorem,


Hence, the correct option is (D).

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