A student attempts to pull himself up by tugging on his hair. He will not succeed

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4-1.Newton's Laws of Motion

easy

A student attempts to pull himself up by tugging on his hair. He will not succeed

A

As the force exerted is small

B

The frictional force while gripping, is small.

C

Newton's law of inertia is not applicable to living beings.

D

As the force applied is internal to the system.

Solution

(d)As by an internal force momentum of the system can not be changed.

Standard 11

Physics

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