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A mass 2 m is fixed at one end of a ligh...

A mass 2 m is fixed at one end of a light rod of length `I`. What horizontal velocity should be imparled to the lower end so that it may just take up the horizontal position ? If the mass is now rearanged with m at the lower end and the other `m` at the middle, what velocity is required ?

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NN GHOSH-FRICTION, WORK POWER AND ENERGY-Exercises (B)
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  9. A block A of mass 4 kg is placed on another block B of mass 5 kg , and...

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  15. Consider the system of weights P(1)=1 kg,P(2) = 2 kg,P(3) = 5kg and P(...

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  17. A weight of mass m=1 kg attached to a spring of force constant k = 20 ...

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  18. M(A) = 3 kg ,M(B) = 4 kg ,M(C) = 8 kg. Coefficient of friction between...

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  19. The total mass of an elevator with a 80 kg man in it is 1000 kg. This ...

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  20. Two masses 1.65 kg and 3.30 kg are joined together by a massles rod pa...

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  21. A body of mass m was slowly hauled up the hill as shown in the fig. by...

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