if the time required is same

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In Fig. 6.334, 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? Assume pulleys and strings light.
29
Sep
In Fig. 6.334, 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? Assume pulleys and strings light. a person wants to rise a block lying on the ground to [...]
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