None
A man weighs 80 Kg. He stands on a weighing machine in a lift which is going downwards with a uniform acceleration of 5 m/s2 . What would be the reading of the machine? (reading in Newtons)
400
1200
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100
Let then angle between
and
equals:
300
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900
00
Gravitational field intensity due to a uniform disc at point '' in the given diagram is equal to -

zero