WorksheetsPressure
Total questions: 12
Worksheet time: 11mins
Name
Class
Date
1.
Pressure can be measured in Pascals (Pa) or Newtons per square metre.
1 Pa = 1N/m2
1 Pa = 1N/m2
a)
True
b)
False
2.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
3.
Pressure decreases when the surface area over which a force is applied increases
a)
True
b)
False
4.
Look at the pressure triangle. How do we calculate the area?
a)
f ÷ a
b)
f x p
c)
p x f
d)
f ÷ p
5.
This is an example of the everyday application of pressure in:
a)
Solids
b)
Liquids
c)
Gases
d)
Plasma
6.
Which of the statements is true?
a)
The bottom of the boot exerts more pressure than the shoe as a result of an increase in surface area.
b)
The bottom of the shoe exerts more pressure than the boot as a result of an decrease in surface area.
c)
The bottom of the shoe exerts the same pressure as the bottom of the boot.
7.
If the horse reared up on 2 legs what effect would it have on the pressure?
a)
it will exert half the pressure it did before
b)
it will exert the same pressure it did before
c)
it will exert twice the pressure it did before
d)
it will exert four times the pressure it did before
8.
What is the equation used to calculate pressure?
a)
pressure= force/mass
b)
pressure =mass/volume
c)
pressure=area/force
d)
pressure=force/area
9.
A person weighs 700N and their feet have a surface area of 0.1m2. How much pressure is exerted?
a)
7000N/m2
b)
70N/cm2
c)
100N/m2
10.
The pressure resulting from a force of 50 N exerted over an area of 5 m2 is
a)
10 N
b)
0.1 N
c)
10 N/m2
d)
0.1 Pa
11.
What pressure does a 4000N horse exert on the ground if each foot is 10cm2?
a)
40 N/cm2
b)
100 N/cm2
c)
400 N/cm2
d)
10 N/cm2
12.
If an object's surface area is smaller does it create more or less pressure?
a)
More
b)
Less
c)
The same
100 %
