Question

7.
A rectangular block of wood is resting on a smooth table. Force is applied to move
the block on the table. Will the force required to just move it would be different for
larger and smaller faces?​

Answer 1

Explanation:

6

a

vertically above centre of gravity

The free-body diagram of the block can be drawn as shown. As the body has to move in pure translational motion, the torque about the centre of gravity must be zero.

3F×x=F×

2

a

orx=

6

a