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If F is the force acting in a particle having position vector r and τ be the torque of this force about the origin, then If F is the force acting in a particle having position vector r and τ be the torque of this force about the origin then October 27, 2020 Category: Chapter [...]

Moment of inertia of a circular wire of mass M and radius R about its diameter is Moment of inertia of a circular wire of mass M and radius R about its diameter is October 27, 2020 Category: Chapter 5 - Rotational Motion , JEE Mains Physics 2002-2019 Solved Video Solutions ,

A solid sphere is rotating in free space. If the radius of the sphere is increased keeping mass same which one of the following with not be affected ? A solid sphere is rotating in free space. If the radius of the sphere is increased keeping mass same which one of the following with not [...]

A particle of mass m moves along line PC with velocity v as shown. What is the angular momentum of the particle about O? A particle of mass m moves along line PC with velocity v as shown. What is the angular momentum of the particle about O? October 27, 2020 Category: Chapter 5 - [...]

The moment of inertia of a uniform semicircular disc of mass M and radius r about a line perpendicular to the plane of the disc through the center is The moment of inertia of a uniform semicircular disc of mass M and radius r about a line perpendicular to the plane of the disc through [...]

A body A of mass M while falling vertically downwards under gravity brakes into two parts, a body B of mass 1/3 M and a body C of mass 2/3 M. The center of mass of bodies B and C taken together shifts compared to that of body A towards A body A of mass [...]

Angular momentum of the particle rotating with a central force is constant due to Angular momentum of the particle rotating with a central force is constant due to October 27, 2020 Category: Chapter 5 - Rotational Motion , JEE Mains Physics 2002-2019 Solved Video Solutions ,

A particle moves in a straight line with retardation proportional to its displacement. Its loss in kinetic energy for any displacement x is proportional to A particle moves in a straight line with retardation proportional to its displacement. Its loss in kinetic energy for any displacement x is proportional to October 27, 2020 Category: Chapter [...]

The block of mass M moving on the frictionless horizontal surface collides with the spring constant k and compresses it by length L . The maximum momentum of the block after collision is The block of mass M moving on the frictionless horizontal surface collides with the spring constant k and compresses it by length [...]

A spherical ball of mass 20kg is stationary at the top of a hill of height 100m , it rolls down a smooth surface to the ground , then climbs up another bill of height of 30m and final rolls down to a horizontal base at a height of 20m about the ground . The [...]