Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- If the resultant external torque acting on a body is zero, then angular momentum of the body
- A dancer on ice spins faster when she folds her arms. This is due to
- Angular impulse is
- A small body is attached to one end of a string is revolved around a rod so that the string winds upon the rod and get shortened....
- Perpendicular axes theorem is applicable only for:
- The total angular momentum of a body is equal to angular momentum of its centre of mass if the body has:
- The kinetic energy of rotation is E and angular momentum L are related as :
- The equivalent term in rotational motion to quantity of motion in linear motion is :
- The rotational analogue of work in linear motion is equivalent to :
- A dancer about the same axis spins faster when she folds her arms. Due to this is :
- A body rolling down an inclined plane is an example of:
- If L is angular momentum of rotating body and E is its rotational KE. then:
- A pan containing a layer of uniform thickness of ice is placed on a circular turntable with its centre coinciding with the centre...
- When same torque acts on two rotating rigid bodies to stop them, which have same angular momentum:
- Angular momentum has SI unit and dimensions:
- A fly wheel is free to rotated about a horizontal axis passing through its centre and perpendicular to its plane A constant...
- Which of the statement is true in case of the principle of perpendicular axes?
- The M.I. of a ring of mass M and radius R about an axis passing through its centre and perpendicular to its plane is
- The M.I. of a circular ring of radius R and mass M about a tangent in its plane is
- The M.I. of a circular ring of radius R and mass M about a tangent perpendicular to its plane is
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