Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- In one dimensional collision between two identical particles A and B, where B is stationary and A has momentum p before impact....
- A particle of mass m moving with a velocity (3 i + 2 j ) m ,s^ -1 collides with a stationary body of mass M and finally moves...
- A smooth steel ball strikes a fixed smooth steel plate at an angle with the vertical. If the coefficient of restitution is e, the...
- A uniform metal rod of length 1 m is bent at 90^ , so as to form two arms of equal length. The centre of mass of this bent rod 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 centre of mass of the...
- The torque of a force F = -2 i + 2 j + 3 k acting on a point r = i - 2 j + k about origin will be
- A door 1.6 m wide requires a force of 1 N to be applied at the free end to open or close it. The force that is required at a...
- In system of two particles of masses m_1 and m_2, the first particle is moved by a distance d towards the centre of mass. To keep...
- N number of balls of mass m kg moving along positive direction of X-axis, strike a wall per second and return elastically. The...
- A batsman hits a ball of mass 0.2 kg straight towards the bowler without changing its initial speed of 6 m/s. What is the impulse...
- A block of mass m moving on a frictionless surface at speed v collides elastically with a block of same mass, initially at rest....
- A bomb at rest explodes into 3 parts of same mass. The momentum of two parts is -3p i and 2p j , respectively. The magnitude of...
- A sphere of mass 'm' moving with velocity 'v' collides head-on on another sphere of same mass which is at rest. The ratio of...
- The dimensions of torque are same as that of [MHT-CET 2019]
- A block of mass 'm' moving on a frictionless surface at speed 'V' collides elastically with a block of same mass, initially at...
- A block of mass 'm' moving on a frictionless surface at speed 'V' collides elastically with a block of same mass, initially at...
- A block of mass 'm' collides with another stationary block of mass '2m'. The lighter block comes to rest after collision. If the...
- A particle of mass 'm' collides with another stationary particle of mass 'M'. A particle of mass 'm' stops just after collision....
- A mass M moving with velocity 'v' along x axis collides and sticks to another mass 2M which is moving along Y-axis with velocity...
- A bullet of mass 20 gram is fired from a gun of mass 2.5 kg with a speed of 750 m/s. The magnitude of recoil velocity of the gun...
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