Physics questions
20027 published questions with worked solutions.
- From a uniform circular thin disc of mass 9M and radius R, a small disc of radius R3 is removed. The centre of the small disc is...
- A thin circular ring of mass 'M' and radius 'R' is rotating about a transverse axis passing through its centre with constant...
- A solid sphere of mass 'M' and radius 'R' has moment of inertia 'I' about its diameter. It is recast into a disc of thickness 't'...
- A particle moves along a circular path with decreasing speed. Hence [MHT-CET 2020, MHT-CET 2020]
- A particle rotates in horizontal circle of radius 'R' in a conical funnel, with speed 'V'. The inner surface of the funnel is...
- The moment of inertia of a thin uniform rod about a perpendicular axis passing through one of its ends is 'I'. Now, the rod is...
- Two rings of radius 'R' and 'nR' made of same material have the ratio of moment of inertia about an axis passing through its...
- Let M and L be the mass and length of thin uniform rod respectively. In 1st case, axis of rotation is passing through centre and...
- A child starts running from rest along a circular track of radius 'r' with constant tangential acceleration 'a'. After time 't'...
- Three points masses, each of mass 'm' are placed at the corners of an equilateral triangle of side 'l'. The moment of inertia of...
- Two circular loops A and B of radii 'R' and 'NR' respectively are made from a uniform wire. Moment of inertia of B about its axis...
- A constant torque of 200 N m turns a flywheel, which is at rest, about an axis through its centre and perpendicular to its plane....
- A particle executes uniform circular motion with angular momentum 'L'. Its rotational kinetic energy becomes half, when the...
- A motorcyclist rides in a horizontal circle about central vertical axis inside a cylindrical chamber of radius 'r'. If the...
- A thin metal rod of mass 'M' and length 'L' is cut into 4 equal parts by cutting it perpendicular to its length. If moment of...
- A uniform rod AB of mass 'm' and length 'l' is at rest on a smooth horizontal surface. An impulse 'P' is applied to the end B....
- A thin rod of mass 'm' and length '2l' is made to rotate about an axis passing through its centre and perpendicular to its plane....
- At the corners of an equilateral triangle of side 'L' point masses each of mass 'M' are placed. The moment of inertia of the...
- A solid sphere of mass 'm' and radius 'R' is rotating about its diameter. A solid cylinder of same mass and radius is also...
- A disc at rest is subjected to a uniform angular acceleration about its axis. Let 'θ₁' and 'θ₂' be the angles described by the...