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Physics - NLM Question with Solution | TestHub

PhysicsNLMFBD & EquilibriumMedium2 minPYQ_2022

PhysicsMediumsingle choice

A golf ball of mass $50 gm$ placed on a tee, is struck by a golf-club. The speed of the golf ball as it leaves the tee is $100 m / s$ , the time of contact on the ball is $0.02 s$ . If the force decreases to zero linearly with time, then the force at the beginning of the contact is

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Answer:

Solution:

Impulse $=$ Area under F-t graph $=$ change in linear momentum $= \frac{1}{2} \times F \times 0.02 = \frac{50}{1000} (100 - 0) \Rightarrow F = 500 N$

Stream:WBJEESubject:PhysicsTopic:NLMSubtopic:FBD & Equilibrium

⏱ 2mℹ️ Source: PYQ_2022

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