Question

3. If a man has mass 40 kg and the area of his one foot is 150 cm square. What is
the pressure exerted by him when he steps both of his feet on the ground?
*
O A. 26.66 kPa
O B. 2.66 kPa
O C. 13 kPa
O D. 53.33 kPa​

Answer 1

Answer:

Force = mg = 60kg ×9.8m/s

2

= 588N

Area = 180 cm

2

=0.018m

2

Pressure=

Area

Force

=

0.018

588

=32666.7P

a

.