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In the figure shown, a person wants to r...

In the figure shown, a person wants to raise a block lying on the ground to a height h. in both the cases if time required is same then in which case he has to exert more force. Assume pulleys and strings light.

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In fig., a person wants to rise a block lying on the ground to a height h. In both the cases, if the time required is same, then in which case he has to exert more force? Assuem pulleys and strigns light.

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