If rope of lift breaks suddenly, the tension exerted by the surface of the lift

⇦

⇨

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:

1. A body rolls down a stair case of 5 steps. Each step has height 0.1 m and width 0.1m
2. When the angle of incidence is 60° on the surface of a glass slab, it is found
3. If a solid ball of metal has a concentric spherical cavity with in it if the ball
4. If ∆U and ∆W represent the increase in internal energy and work done by the system
5. Two sound waves of wavelengths 5m and 6m formed 30 beats in 3 seconds

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