Class XI Physics Quiz: System of Particles and Rotational Motion
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Preview questions
1. What is the condition for an object to be in translational equilibrium?
Net force is zero · Net torque is zero · Both net force and net torque are zero · Only gravitational force is acting
2. The moment of inertia of a solid sphere about its diameter is given by which formula?
2/5 MR² · 3/5 MR² · 2/3 MR² · 1/2 MR²
3. What does the term 'angular momentum' depend on?
Mass and velocity only · Mass, velocity, and radius · Mass, velocity, radius, and angle · Mass, radius, and time
4. Which of the following quantities is conserved in an isolated system?
Linear momentum only · Angular momentum only · Both linear and angular momentum · Energy only
5. The center of mass of a system of particles moves as if all the mass were concentrated at that point when:
The net external force is zero · The net external torque is zero · The system is in equilibrium · The internal forces are negligible
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