10. Pressure exerted by a block

A block is kept on a tabletop. The mass of the block is 45 kg, and its dimensions are $40$ $cm$ $×$ $20$ $cm$ $×$ $10$ $cm$. Find the pressure exerted by the wooden block on the tabletop if made to lie on the tabletop with its sides of dimensions

(a) $20$ $cm$ $×$ $10$ $cm$

(b) $40$ $cm$ $×$ $20$ $cm$.

(Take $g$ $=$ $10$ $m/s^2$)

 

  

Answer:

a)The pressure exerted by the block is$N/m^2$