In Figure, , mass of the body is 2 kg and moment of the body about an axis passing through and perpendicular to the plane of body is 4 kg- . is the centre of mass of the body

If the ground is smooth, what is the total kinetic energy of body at s. Initially, the body was at rest |
|||||||

a) |
25 J |
b) |
16.67 J |
c) |
50 J |
d) |
37.5 J |

In Figure, , mass of the body is 2 kg and moment of the body about an axis passing through and perpendicular to the plane of body is 4 kg- . is the centre of mass of the body

If the ground is smooth, what is the total kinetic energy of body at s. Initially, the body was at rest |
|||||||

a) |
25 J |
b) |
16.67 J |
c) |
50 J |
d) |
37.5 J |

1 Answer

127 votes

When frictional force is absent, the rigid body does not translate, therefore Taking torque about CM, Taking torque about IC (bottom- most point), J |

127 votes

127