Physics questions
20027 published questions with worked solutions.
- A particle is revolving in anticlockwise sense along the circumference of a circle of radius 'r' with linear velocity 'v', then...
- An engine is moving on a circular path of radius 200 m with speed of 15 m/s. What will be the frequency heard by an observer who...
- A particle of mass 'm' moves along a circle of radius 'r' with constant tangential acceleration. If kinetic energy 'E' of the...
- Three point masses, each of mass 'm' are placed at the corners of an equilateral triangle of side 'l'. The moment of inertia of...
- Two discs having moment of inertia I_1 and I_2 are made from same material have same mass. Their thickness and radii are t_1, t_2...
- Two circular rings 'A' and 'B' of radii 'nR' and 'R' are made from the same wire. The moment of inertia of 'A' about an axis...
- Four particles each of mass 'M' are placed at corners of square of side 'L'. The radius of gyration of the system about an axis...
- A same torque is applied to a disc and a ring of equal mass and radii then [MHT-CET 2021, MHT-CET 2021]
- Force F is acting on a particle having position vector r. Let be the torque of this force about the origin. The correct equation...
- A car of mass 'm' is crossing the convex bridge of radius of curvature 'R' with a speed 'v'. At the highest point the thrust is...
- A disc of moment of inertia 'I_1' is rotating with angular velocity ' _1' about an axis perpendicular to its plane, passing...
- Moment of inertia of the rod about an axis passing through the centre and perpendicular to its length is 'I_1'. The same rod is...
- A stone is tied at the end of a rope of length 1 m and whirled in a vertical circle. The ratio of velocity at highest point to...
- A disc rolls down a smooth inclined plane without slipping. An inclined plane makes an angle of 60^ with the vertical. The linear...
- A hollow sphere rolls down from the top of inclined plane. Its velocity on reaching the bottom of plane is V_1. When the same...
- A particle at rest starts moving with constant angular acceleration ' ' in circular path. At what time the magnitude of...
- The moment of inertia of a thin uniform rod of mass 'M' and length 'L' about an axis passing through a point at a distance L4...
- A body of mass 'm' is suspended from the rigid support by an inextensible string of length 'L' on which another identical body of...
- A disc of radius 0.4 m and mass 1 kg rotates about an axis passing through its centre and perpendicular to its plane. The angular...
- A solid sphere of radius is r is rolling without sliding. The ratio of rotational kinetic energy and total kinetic energy...