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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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(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In producing chlorine through electrolysis 100 watt power at 1125 V is being
- A car moves from X to Y with a uniform speed v(u) and returns to Y with a uniform speed
- The acceleration due to gravity becomes (g/2) where g=acceleration due to gravity
- The half life of a radioactive isotope ‘X’ is 20 years. It decays to another element Y
- The electric field part of an electromagnetic wave in a medium is represented by
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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