Question

A brick having weight 30 N is 21 cm long, 10 cm wide and 6 cm high. The face of the brick on the ground having dimensions 21 cm and 6 cm is in contact with the ground. Find the pressure exerted on the ground by the face of brick​

Answer 1

Pressure =2830 N

Explanation:

Given that :weight = 30 N

Area of space on which pressure is exerted =21cm×6cm

=106 /100×100 m^2

=. 0106 m^2

Solution :

As we know that

Here the weight of body will be act as the normal force because weight act in the normal direction.