A body of mass 2 kg is moving in a vertical of radius 2 m. The work done when it moves…
Physics · JEE Main · NTA Exams — Rotational Motion
A body of mass 2 kg is moving in a vertical of radius 2 m. The work done when it moves from the lowest point to the highest point is-
- 80 J
- 40 J
- 20 J
- 0
Answer
(A) 80 J
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Four spheres of diameter 2a and mass M are placed with their centres on the four corners of a square of side…
- A hoop rolls without slipping down an 30 o incline of slope 30°. Linear acceleration of its centre of mass is
- In order to determine the moment of inertia of a flywheel 32 J of work was done on the flywheel to change its…
- A body of mass m crosses the top most point of a vertical circle with critical speed. What will be tension in…
- A particle is moving along a circular path of radius 2m with uniform speed of 5 ms –1 . What will be the…
- If both the speed and radius of circular path of a revolving body are doubled, the magnitude of centripetal…
- When a ceiling fan is switched off, its angular velocity falls to 50% while it makes 36 rotations. How many…
- Two cars of masses m 1 and m 2 are moving along the circular path of radius r 1 and r 2 . They take one round…
More Rotational Motion questions · Browse all practice questions