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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: - Fusion reaction takes place at high temperature because
- For a simple pendulum performing simple harmonic motion, the time period
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Fusion reaction takes place at high temperature because
- For a simple pendulum performing simple harmonic motion, the time period
- The minimum velocity (in ms⁻¹) with which a car driver must traverse a flat curve
- The magnetic field at the centre of a circular coil carrying current I ampere is B.
- The output of OR gate is 1(one)
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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