| ⇦ | 
| ⇨ |
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 period of oscillation of a mass M suspended from a spring of negligible mass is T
- A cricket ball of mass 250 g collides with a bat with velocity 10 m/s
- A car moves from X to Y with a uniform speed v(u) and returns to Y with a uniform speed
- Mass and diameter of a ring is 2 kg and 1 m respectively. The moment of inertia
- A bullet emerges from a barrel of length 1.2 m with a speed of 640 ms⁻¹.
Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The period of oscillation of a mass M suspended from a spring of negligible mass is T
- A cricket ball of mass 250 g collides with a bat with velocity 10 m/s
- A car moves from X to Y with a uniform speed v(u) and returns to Y with a uniform speed
- Mass and diameter of a ring is 2 kg and 1 m respectively. The moment of inertia
- A bullet emerges from a barrel of length 1.2 m with a speed of 640 ms⁻¹.
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply