Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- A particle performs uniform circular motion with an angular momentum L. If the frequency of the particle's motion is doubled and...
- Statement 1: There are two propellers in a helicopter. Statement 2: Angular momentum is conserved.
- Two thin discs, each of mass M and radius r, are placed at either end of a rod of mass m and length l (so the rod spans between...
- If the moment of inertia of a disc about an axis tangential and parallel to its surface is I, then what will be the moment of...
- Statement 1: Moment of inertia of a circular ring about a given axis is more than the moment of inertia of a circular disc of the...
- Four particles, each of mass m, are lying symmetrically on the rim of a disc of mass M and radius R. The moment of inertia of the...
- The moment of inertia of a body depends upon
- A rod of length l is hinged at one end and kept horizontal. It is allowed to fall. The velocity of the other end when it becomes...
- The mass of the earth is increasing at the rate of 1 part in 5 10^ 19 per day, due to the attraction of meteors falling normally...
- Two particles of masses m_1 and m_2 are connected by a rigid massless rod of length r to constitute a dumb-bell, which is free to...
- A system consists of three particles, each of mass m, located at (1,1), (2,2) and (3,3). The coordinates of the centre of mass are
- The maximum and minimum distances of a comet from the sun are 1.4 10^ 12 m and 6 10^ 10 m respectively. If the velocity of the...
- A flywheel rotates with a uniform angular acceleration. Its angular velocity increases from 20 rad s⁻¹ to 40 rad s⁻¹ in 10 s. How...
- A particle of mass m is travelling with a constant velocity v=v_0 i along the line y=b, z=0. Let dA be the area swept out by the...
- Statement 1: When ice on the polar caps of earth melts, the duration of the day increases. Statement 2: L=I =I 2 T = constant.
- Statement 1: The centre of mass of a body will change with a change in shape and size of the body. Statement 2: r_ CM = _ i=1 ^...
- The centre of mass of a system of two particles divides the distance between them
- Two blocks of masses 10 kg and 4 kg are connected by a spring of negligible mass and placed on a frictionless horizontal surface....
- If the radius r of the earth were suddenly to change to x times its present value, with mass remaining unchanged, the new period...
- Statement 1: The velocity of a body at the bottom of an inclined plane of a given height is more when it slides down the plane,...
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