Q4/10: A particle moves uniformly in a straight line that does not pass through the origin. Its angular momentum about the origin:

Q5/10: Moment of inertia of a uniform solid sphere of mass M and radius R about its diameter is:

Q6/10: The SI unit of moment of inertia is:

Q7/10: According to the theorem of parallel axes, I = I_cm + :

Q8/10: A diver jumping from a springboard curls his body. This is done to:

Q9/10: Two identical rings of mass M and radius R have a common center with their planes perpendicular. Moment of inertia of this system about the central axis of one ring is:

Q10/10: The analog of mass in rotational motion is:

Q1/10: If no external torque acts on a system, which of the following is conserved?

Q2/10: The center of mass of a body:

Q3/10: A solid cylinder (mass 2 kg, radius 0.1 m) rolls from rest down an incline of height 3 m. Its rotational kinetic energy at the bottom is: (g=10 m/s^2)

Q4/10: Assertion: The center of mass of an isolated system moves with constant velocity. Reason: No net external force acts on an isolated system.

Q5/10: A wheel is rotating at 900 rpm about its axis. The angular velocity of the wheel is:

Q6/10: Which theorem states that moment of inertia of a planar body about an axis perpendicular to its plane is the sum of its M.I. about two perpendicular axes in its plane?

Q7/10: A couple acting on a rigid body produces:

Q8/10: If the earth shrinks to half its present radius without change in mass, the duration of the day will become:

Q9/10: Assertion: Spokes are used in a bicycle wheel. Reason: Spokes increase the moment of inertia of the wheel, making the ride smoother.

Q10/10: A uniform thin rod of length L and mass M is hinged at one end and released from horizontal position. Its angular acceleration at the instant of release is: