MCQOPTIONS
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| 1. |
_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. |
| B. | Work done in lifting the stone is equal to rolling it. |
| C. | Work done in both is same but the rate of doing work is less in rolling. |
| D. | Work done in rolling a stone is less than in lifting it. |
| Answer» E. | |