Answer:
1. given : mass(m)=50kg
Area(A) = (55×76)cm² × 10-⁴ because
convert in m²
Use formula for pressure ,P=F/A
How to get F?use this formula F=ma (a is acceleration /gravity)
F=ma
F=60 kg × 9.81 ms-²
= 588.6 kgms-²
insert in formula P=F/A
P= 588.6kgms-² / (55×76×10-⁴)
= 1408.13 Pascal (Pa)
