

MCQOPTIONS
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1. |
A student lifts a heavy book from the floor of a room to put it in the bookshelf at a height 2 m. For this process, the student takes 5 s. The work done by the student will depend upon ________. |
A. | The height of the book shelf and the time taken |
B. | The mass of the book, the height of the book shelf and the time taken |
C. | The mass of the book and the time taken |
D. | The weight of the book and the height of the bookshelf |
Answer» E. | |