Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- A solid cylinder of mass 3 kg is rolling on a horizontal surface with velocity 4 ms ^ -1 . It collides with a horizontal spring...
- When a mass is rotating in a plane about a fixed point, its angular momentum is directed along:
- Two persons of masses 55 kg and 65 kg respectively, are at the opposite ends of a boat. The length of the boat is 3.0 m and...
- An explosion breaks a rock into three parts in a horizontal plane. Two of them go off at right angles to each other. The first...
- A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate about the horizontal axis. A massless string is wound round the...
- A rod of weight W is supported by two parallel knife edges A and B and is in equilibrium in a horizontal position. The knives are...
- Two particles of masses m_1, m_2 move with initial velocities u_1 and u_2. On collision, one of the particles get excited to...
- From a disc of radius R and mass M, a circular hole of diameter R, whose rim passes through the centre is cut. What is the moment...
- A uniform circular disc of radius 50 cm at rest is free to turn about an axis which is perpendicular to its plane and passes...
- A disk and a sphere of same radius but different masses roll off on two inclined planes of the same altitude and length. Which...
- Which of the following statements are correct? (a) Centre of mass of a body always coincides with the centre of gravity of the...
- Two discs of same moment of inertia rotating about their regular axis passing through centre and perpendicular to the plane of...
- Three objects, A : (a solid sphere), B : (a thin circular disk) and C : (a circular ring), each have the same mass M and radius...
- A moving block having mass m, collides with another stationary block having mass 4m. The lighter block comes to rest after...
- The moment of the force, F = 4 i + 5 j - 6 k at (2, 0, -3), about the point (2, -2, -2), is given by
- A solid sphere is rotating freely about its symmetry axis in free space. The radius of the sphere is increased keeping its mass...
- Body A of mass 4m moving with speed u collides with another body B of mass 2m, at rest. The collision is head on and elastic in...
- A disc of radius 2 m and mass 100 kg rolls on a horizontal floor. Its centre of mass has speed of 20 cm/s. How much work is...
- A solid cylinder of mass 2 kg and radius 4 cm rotating about its axis at the rate of 3 rpm. The torque required to stop after 2...
- A solid sphere of mass 'm', radius 'R', having moment of inertia about an axis passing through center of massas 'I' is recast...
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