6 | When a steady torque is acting on a body, the body (NCERT 73) (a) Continues in its state of rest or uniform motion along a straight line (b) Gets linear acceleration (c) Gets angular acceleration (d) Rotates at a constant speed Answer: (d) |
7 | The M.I. of a solid cylinder of mass M and radius R about a line parallel to the axis of the cylinder and ling on the surface of the cylinder is (MP-PMT 94) (a) (b) (c) (d) Answer: (c) |
8 | The moment of inertia of a body comes into play (AFMC (pune) 79) (a) In motion along a curved path (b) In linear motion (c) In rotational motion (d) None of the above Answer: (c) |
9 | The speed of a homogeneous, solid sphere after rolling down in the inclined plane of vertical height h, from rest without sliding is (CBSE 92) (a) (b) (c) (d) Answer: (a) |
10 | Two disc with same mass but different radii are moving with same K.E. one of them rolls and other slides without friction. Then [MH-CET 2000] (a) Rolling disc has greater velocity (b) Sliding disc has greater velocity (c) Both have same velocity (d) The disc with greater radius will have greater velocity. Answer: (b) |