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an object of mass 'm' is kept on the floor of a lift.what will be the apparent weight of the object when the lift moves with a constant speed 'v' downwards |
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Answer» Answer: an object of mass 'm' is KEPT on the FLOOR of a lift.what will be the apparent weight of the object when the lift moves with a CONSTANT speed 'v' downwards Explanation: Correct option is A 2 W
+W 2
W 1
=m(g+a) (psuedo force is downwards) W 2
=m(g−a) (psuedo force is UPWARDS) ∴mg= 2 W 1
+W 2
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