Pressure

The formula used to describe and calculate pressure is:

• P=F/A

• P=F/S

• P=ma

• P=mg

If a block weighs 60 N and is lying on a side with area 2m by 3m, what is the pressure exerted on the surface?

• 60 pascals

• 70 pascals

• 20 pascals

• 0.02 pascals

The pressure under water increases with how deep you are. The equation for calculating pressure under a liquid is:

• P=D*g*h

• P=D*g*m

• P=D*m*h

• P=m*g*h

The unit of pressure is Newtons per square metre:

• N/m2

• N/n2

• N/a2

• N/s2

What would be more painful?

• Being trodden on by a 55kg woman wearing stiletto heels?

• Or being trodden on by a 3 tonne elephant?

At sea level, atmospheric pressure is about:

• 100kPa

• 1kPa

• 0.1MPa

• 10kPA

Air pressure gets less as you rise up through the atmosphere.  The atmosphere is . . . at lower levels. (fill in the empty point)!

• denser

• low

• wild

• no correct answer

In physics, pressure is defined as the _____ over a given area.

• force

• area

• work

• mass

Finish the formula: Pressure = Force divided by _________

• area

• work

• force

• mass

What is the standard unit of measure for pressure?

• Pascal

• Joule

• Watt

• Ampere