Question

What force is required to produce a pressure of 18000 Pascal when the surface area is 0.45 cm2?

Answer 1

Answer:

Pressure = weight per unit area =mg

=1034g/cm

2

×

1000g

1kg

×(

1m

100cm

)

2

×9.80m/s

2

×

kgm/s

2

1N

×

1N/m

2

1Pa

=1.013×10

5

Pa