Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- A simple pendulum consisting of a ball of mass m tied to a spring of length l is made to swing on a circular arc of angle in a...
- The torque acting on the body is given by =- the physical significance of the negative sign in the equation is
- A solid cylinder of mass 3 kg is rolling on a horizontal surface with velocity 4 , m ,s^ -1 . It collides with a horizontal...
- An electron with kinetic energy 5 eV is incident on an H-atom in its ground state. The collision
- A small particle of mass m moves such that potential energy PE = 1 2 mr^2 ^2. Assuming Bohr's model of quantisation of angular...
- A hydrogen atom moves with a velocity u and makes a head on inelastic collision with another stationary H-atom. Both atoms are in...
- A mass of 1 kg is thrown up with a velocity of 100 m/s. After 5 seconds, it explodes into two parts. One part of mass 400 g comes...
- For a hollow cylinder & a solid cylinder rolling without slipping on an inclined plane, then which of these reaches earlier on...
- A disc is rolling the velocity of its centre of mass is V_ cm then which one will be correct : -
- 250 N force is required to raise 75 kg mass from a pulley. If rope is pulled 12 m then the load is lifted to 3m, the efficiency...
- A 1 kg stationary bomb is exploded in three parts having mass 1 : 1 : 3 respectively. Parts having same mass move in...
- A circular disc is to be made by using iron and aluminium so that it acquired maximum moment of inertia about geometrical axis....
- A disc is rotating with angular speed . If a child sits on it, what is conserved :
- A solid sphere of radius R is placed on smooth horizontal surface. A horizontal force 'F' is applied at height 'h' from the...
- A point P consider at contact point of a wheel on ground which rolls on ground without slipping then value of displacement of...
- A rod of length is 3m and its mass acting per unit length is directly proportional to distance x from one of its end then its...
- A thin circular ring of mass M and radius r is rotating about its axis with a constant angular velocity . Four objects each of...
- A solid cylinder of mass M and radius R rolls without slipping down an inclined plane of length L and height h. What is the speed...
- A ball rolls without slipping. The radius of gyration of the ball about an axis passing through its centre of mass is K. If...
- A round disc of moment of inertia I_2 about its axis perpendicular to its plane and passing through its centre is placed over...
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