Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- A wheel having moment of inertia 2 kg-m^2 about its vertical axis, rotates at the rate of 60 rpm about the axis. The torque which...
- The moment of inertia of a uniform circular disc of radius 'R' and mass 'M' about an axis touching the disc at its diameter and...
- A wheel has angular acceleration of 3.0 rad/sec ^2 and an initial angular speed of 2.00 rad/sec . In a time of 2 sec it has...
- The ratio of the radii of gyration of a circular disc to that of a circular ring, each of same mass and radius, around their...
- A thin rod of length L and mass M is bent at its midpoint into two halves so that the angle between them is 90^ . The moment of...
- If F is the force acting on a particle having position vector r and be the torque of this force about the origin, then:
- An explosion blows a rock into three parts. Two parts go off at right angles to each other. These two are, 1 kg first part moving...
- Two bodies of mass 1 kg and 3 kg have position vectors i + 2 j + k and -3 i - 2 j + k , respectively. The centre of mass of this...
- A block of mass M is attached to the lower end of a vertical spring. The spring is hung from a ceiling and has force constant...
- A solid cylinder and a hollow cylinder, both of the same mass and same external diameter are released from the same height at the...
- (i) Centre of gravity (C.G.) of a body is the point at which the weight of the body acts (ii) Centre of mass coincides with the...
- A thin circular ring of mass M and radius r is rotating about its axis with constant angular velocity . Two objects each of mass...
- A circular disk of moment of inertia I_t is rotating in a horizontal plane, about its symmetry axis, with a constant angular...
- A ball moving with velocity 2 m/s collides head on with another stationary ball of double the mass. If the coefficient of...
- Two particles which are initially at rest, move towards each other under the action of their internal attraction. If their speeds...
- A mass m moving horizontally (along the x-axis) with velocity v collides and sticks to mass of 3m moving vertically upward (along...
- The instantaneous angular position of a point on a rotating wheel is given by the equation (t) = 2t^3 - 6t^2. The torque on the...
- The moment of inertia of a thin uniform rod of mass M and length L about an axis passing through its midpoint and perpendicular...
- A body of mass M hits normally a rigid wall with velocity V and bounces back with the same velocity. The impulse experienced by...
- Three masses are placed on the x-axis: 300 g at origin, 500 g at x = 40 cm and 400 g at x = 70 cm . The distance of the centre of...
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