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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
Related Questions: - A small object of uniform density rolls up a curved surface with an initial velocity
- A body initially at rest is moving with uniform acceleration a m/s²
- A solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length
- The purpose of using heavy water in nuclear reactor is
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A small object of uniform density rolls up a curved surface with an initial velocity
- A body initially at rest is moving with uniform acceleration a m/s²
- A solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length
- The purpose of using heavy water in nuclear reactor is
- A body travelling along a straight line traversed one-third of the total distance
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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