Brick of dimensions 15 cm x 5 cm x 10 cm dropped in a sand dune in the following three possible ways. a) 15 cm x 5 cm b) 10 cm x 5 cm c) 10 cm x 15 cm i) what is the pressure exerted by the brick in each case? ii) explain with proper reason in which of the above cases pressure exerted will be more. *
Answers
Answered by
0
Answer:
a) area of brick when upright = 5 cm*10 cm = 50cm sq
pressure= force/ area
= 2.5/50/100*100
= 2.5*10000/50
=500 Pa
b) area of the widest base = 25cm*10cm = 250cm sq
pressure = 2.5/250/100*100
= 2.5*10000/250
= 100 Pa
Similar questions