A block A of mass 7 kg is placed on a frictionless table. A thread tied to it passes over…
Physics · JEE Main · NTA Exams — Laws of Motion
A block A of mass 7 kg is placed on a frictionless table. A thread tied to it passes over a frictionless pulley and carries a body B of mass 3 kg at the other end. The acceleration of the system is (given g \(=10 \mathrm{~ms}^{-2}\))


- 100 ms–2
- 3 ms–2
- 10 ms–2
- 30 ms–2
Answer
(B) 3 ms–2
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- A block of mass 4 kg is placed on a rough horizontal plane. A time dependent force F = kt2 acts on the block…
- All the particles of a body are situated at a distance R from the origin. The distance of centre of mass of…
- A rocket with a lift-off mass 3.5 10^ 4 ~kg is blasted upwards with an acceleration of 10 ~m / s ^ 2 . The…
- A bullet of mass 0.01 kg and travelling at a speed of 500 ~ms ^ -1 strikes a block of 2 kg, which is…
- A uniform metal disc of radius R is taken and out of it, a disc of diameter R is cut-off from the end. The…
- A boy of mass M is applying a horizontal force to slide a box of mass M’ on a rough horizontal surface. The…
- A block of mass m is placed on a smooth wedge of inclination . The whole system is accelerated horizontally…
- A dynamometer D is attached to two bodies of masses M = 6 kg and m = 4 kg. Forces F = 20 N and f = 10 N are…
More Laws of Motion questions · Browse all practice questions