A student unable to answer a question on Newton's laws of motion attempts to pull himself…
Physics · NEET · NTA Exams — Laws of Motion
A student unable to answer a question on Newton's laws of motion attempts to pull himself up by tugging on his hair.
He will not succeed:
- as the force exerted is small
- the frictional force while gripping, is small
- Newton's law of inertia is not applicable to living beings
- as the force applied is internal to the system
Answer
(D) as the force applied is internal to the system
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