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If rope of lift breaks suddenly, the tension exerted by the surface of the lift (a = Acceleration of lift) is
Options
(a) mg
(b) m(g+a)
(c) zero
(d) m(g-a)
Correct Answer:
zero
Explanation:
If the rope suddenly breaks, acceleration = g
So substituting in formula, tension T=m(g−a)=0
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- If X=3YZ², find dimensions of Y if X and Z are the dimensions of capacity
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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