Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- A thick uniform bar lies on a frictionless horizontal surface and is free to move in any way on the surface. Its mass is 0.16 kg...
- Two bodies A and B of definite shape (dimensions of bodies are not ignored). A is moving with speed of 10 ms⁻¹ and B is at rest;...
- A bullet of mass m hits a target of mass M hanging by a string and gets embedded in it. If the block rises to a height h as a...
- A ball moving with a certain velocity hits another identical ball at rest. If the plane is frictionless and the collision is...
- A body of mass M moving with a speed u has a head-on collision with a body of mass m, originally at rest. If M m, the speed of...
- An example of inelastic collision is
- In an elastic collision
- Two spherical bodies of the same mass M are moving with velocities v_1 and v_2. These collide perfectly inelastically. The loss...
- A ball of mass m_1 is moving with velocity v. It collides head on elastically with a stationary ball of mass m_2. After...
- A particle of mass m moving with a velocity (3 i+2 j) ms⁻¹ collides with a stationary body of mass M and finally moves with a...
- Two particles of masses m_1 and m_2 in projectile motion have velocities v_1 and v_2 respectively at time t=0. They collide at...
- A body of mass 3 kg is moving with a velocity of 4 ms⁻¹ towards the right, and collides head-on with a body of mass 4 kg moving...
- A particle of mass m collides with another stationary particle of mass M. If the particle m stops just after collision, the...
- If a ball is dropped from rest, it bounces from the floor repeatedly. The coefficient of restitution is 0.5 and the speed just...
- A tennis ball bounces down a flight of stairs, striking each step in turn and rebounding to the height of the step above. The...
- A spacecraft of mass M is moving with velocity v in free space when it explodes and breaks into two. After the explosion, a mass...
- A small sphere of mass m, moving with a constant velocity v, hits another stationary sphere of the same mass. If e is the...
- Two bodies having masses m_1 and m_2 and velocities u_1 and u_2 collide and form a composite system such that m_1 v_1+m_2 v_2=0...
- Three stationary particles A,B,C of masses m_A,m_B,m_C are under the action of the same constant force for the same time. If...
- If the external forces acting on a system have zero resultant, the centre of mass
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