State the principal of moments. Give one device as application of it. – InterviewSolution

InterviewSolution

1.	State the principal of moments. Give one device as application of it.
Answer» According to the principle of moments, if the algebraic sum of moments of all the forces acting on the body about the axis of rotation is zero, the body is in equilibrium. A physical balance (or beam balance) works on the principle of moments.

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