Forces and Inertia :: Discussion


1.A hammer is resting on a plane surface. If force P is applied on the hammer along with a line not passing through its centre of mass, them the hammer?
A.Moves along a straight line path
B.Stays still
C.Is thrown away
D.Rotates about its centre of mass
Answer:  Option  D
Explanation:

If single force acts on a body and the line of action of force passes through the centre of mass, the body will have only linear acceleration. When the force is applied along with a line not passing through its centre of mass, then the hammer rotates about its centre of mass.

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Published by:Michael Daani

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