Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- A mass 'M' is moving with constant velocity parallel to X- axis. Its angular momentum with respect to the origin is
- A person with machine gun can fire 50 g bullets with a velocity of 240 m/s. A 60 kg tiger moves towards him with a velocity of 12...
- In case of perfectly elastic collision,
- If the earth suddenly contracts to ( 1 3 )^ rd of its present size without change in its mass, the ratio kinetic energy of the...
- The power (P) is supplied to rotating body having moment of inertia 'I' and angular acceleration ' ' . Its instantaneous angular...
- Two masses m_1 and m_2 moving with velocities V_1 and V_2 in opposite directions collide elastically and after collision m_1 and...
- 1000 small balls, each weighing 1 gram, strike one square cm of area per second with a velocity 50 , m s in a normal direction...
- If the angular velocity of a body rotating about the given axis increases by 20%, then its kinetic energy of rotation will...
- A satellite of mass 'm' is revolving around the earth of mass 'M' in an orbit of radius 'r' with constant angular velocity ' '....
- A block of mass 'm' moving on a frictionless horizontal surface collides with a spring of spring constant 'K' and compresses it...
- A Solid sphere has mass M and radius R. Its moment of inertia about a parallel axis passing through a point at a distance R/3...
- Three point masses, each of mass 'm' are placed at the corners of an equilateral triangle of side 'L'. The moment of inertia of...
- Three identical metal balls each of radius 'r' are placed such that an equilateral triangle is formed when centres of three ball...
- Two spheres of equal masses, one of which is a thin spherical shell and the other solid sphere, have the same moment of inertia...
- The power (P) is supplied to a rotating body moment of inertia 'I' and angular acceleration ' '. It's instantaneous angular...
- In case of system of two-particles of different masses, the centre of mass lies
- An inextensible string passing over a smooth pulley connects two blocks of masses m_1 and m_2 (m_2 > m_1) vertically. If the...
- The angular momentum of a rotating body is 'L'. When the frequency of rotating body is tripled and its kinetic energy is made...
- If F =(5 i -10 j ) and r =(4 i -3 j ), then the torque acting on the object will be
- Four particles each of mass M are placed at the corners of a square of side L. The radius of gyration of the system about an axis...
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