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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: - The equivalent resistance of two resistors connected in series is 6 Ω
- Which of the following particles will have minimum frequency of revolution
- A block of mass m is placed on a smooth wedge of inclination θ
- A coin placed on a rotating turn table just slips,if it is placed at a distance
- A bottle full of water in a space ship at 30⁰C is carried on the moon.
Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The equivalent resistance of two resistors connected in series is 6 Ω
- Which of the following particles will have minimum frequency of revolution
- A block of mass m is placed on a smooth wedge of inclination θ
- A coin placed on a rotating turn table just slips,if it is placed at a distance
- A bottle full of water in a space ship at 30⁰C is carried on the moon.
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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