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It is easier to roll a stone up a sloping road than to lift it vertical upwards because | |
A. | work done in rolling is more than in lifting [Wrong Answer] |
B. | work done in lifting the stone is equal to rolling it [Wrong Answer] |
C. | work done in both is same but the rate of doing work is less in rolling [Wrong Answer] |
D. | work done in rolling a stone is less than in lifting it [Correct Answer] |