A man of mass 70 kg stands on a weighing machine in a lift. What would be the reading on the scale if the lift is moving (a) upward with a uniform speed 100 ms-¹ (b) downwards with a uniform accleration 5ms-¹ (c) upwards with a uniform accleration 5ms-¹ (g= 10 ms-¹)
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i m not sure.......
- 7700N
- 350N
- 1050N
pls inform me if i m wrong
.........
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