Pressure

 A body has an area of 90 $m^2$   and a pressure of 15

 N/ $m^2$ . How much force is applied to it?

• 6 N

• 1350 N

• 0.16 N

Pressure increases if ________ increases.

 $\le$  

What is the formula for pressure of water

• P = $\rho gh$  

• gh = P

• Raw = pgh

What is a piston?

Brakes in the cars have what fluid in them to provide them pressure

• water

• viscous liquid

• petrol

• oil

If the container in which the liquid is present?

Which will experience the most force if it is 50 N

• 15 ml

• 25 ml

• 100 ml

Is pressure essential(important) in hydraulic lifts

• Yes

• No

• Maybe

What is a slave piston?

• Piston which works beneath another master piston

• A piston which doesn't work

• A Piston which works above the master piston

What is $\rho$  ?

How would you measure volume of a solid

• L * B * H

• L * B

• L*L*L