MCQOPTIONS
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| 1. |
A body of mass 2 kg is hung on a spring balance mounted vertically in a lift. If the lift descends with an acceleration equal to the acceleration due to gravity ?g?, the reading on the spring balance will be [NCERT 1977] |
| A. | 2 kg |
| B. | \[(4\times g)\,kg\] |
| C. | \[(2\times g)\,kg\] |
| D. | Zero |
| Answer» E. | |