A uniform cube of mass m and side a is placed on a frictionless horizontal surface. A vertical force F is applied to the edge as shown in Fig. 7.8. Match the following (most appropriate choice):

Question

Philoid · Accepted Answer

From the problem

Cube will not move if

So a-(ii)

Cube will rotate if

So b-(iii)

If F>mg

Then cube will move up.

So, c-(i)

When the normal is a/3 from A.

So, for no rotation we balance the torque

Balancing force

Solving the above two equations

So, d-(iv)