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Two masses 5 kg and 3 kg are suspended f...

Two masses 5 kg and 3 kg are suspended from the ends of an unstretchable light string passing over a frictionless pulley. When the masses are released, the thrust on the pulley is (g = `10 ms^(-2)`)

A

80N

B

37.5N

C

150N

D

75N

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-RIVISION EXERCISE-LAW OF MOTION (APPARENT WEIGHT, TENSION, AND NORMAL REACTION)
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  9. Two masses 5 kg and 3 kg are suspended from the ends of an unstretchab...

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  10. A block is kept on the floor of an elevator at rest. The elevator star...

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  11. A body is kept on the floor of a topless lift at rest. The lift starts...

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  12. The maximum tension a rope can withstand is 60 kg.wt. The ratio of max...

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  13. A uniform rope of mass m hangs freely from a ceiling. A bird of mass M...

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  14. Two bodies of masses 4 kg and 6 kg connected by means of a light strin...

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  15. An empty plastic box of mass m is found to accelerate up at the rate o...

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  16. Amonkey of mass 15kg is climbing on a rope with one end fixed to the c...

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  17. A massless string passes around a frictionless pulley whose axis is ho...

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  18. A railway engin of mass 50 tons is pulling a wagon of mass 40 tons wit...

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  19. A light stright fixed at one end to a wooden clamp on a ground passes ...

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  20. Two masses 5 kg and 3 kg are suspended from the ends of an unstretchab...

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