MCQOPTIONS
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| 1. |
What is the work done if a bucket of water weighing 10 N is pulled up from a well 20 m deep by a rope weighing 1 N/m? |
| A. | 200 N-m |
| B. | 400 N-m |
| C. | 500 N-m |
| D. | 600 N-m |
| Answer» C. 500 N-m | |