Physics questions
20027 published questions with worked solutions.
- 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
- The M.I. of a disc of mass M and radius R about an axis passing through its centre and perpendicular to its plane is
- The M.I. of a disc of mass M and radius R about a tangent to the plane is
- The M.I. of a disc of mass M and radius R about a tangent in its plane is
- The M.I. of disc of mass M and radius 'R' about an axis passing through midway between centre and circumference and perpendicular...
- The M.I. of thin uniform rod of mass 'M' and length, ' ' about an axis passing through its one end and, perpendicular to length is
- The M.I. of thin uniform rod of mass 'M' and length ' ' about an axis passing through its centre and perpendicular to its length...
- The M.I. of solid sphere of mass M and radius R about its diameter is
- The M.I. of a solid sphere of mass 'M' and radius 'R' about a tangent in its plane is