WorksheetsThrust on a Surface Area
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
If the force applied to a surface increases while the area remains constant, what happens to the pressure?
a)
Pressure decreases
b)
Pressure increases
c)
Pressure remains the same
d)
Pressure becomes zero
2.
What unit is pressure measured in?
a)
Pascal (Pa)
b)
Meter (m)
c)
Kilogram (kg)
d)
Newton (N)
3.
Which of the following factors does NOT affect the pressure exerted by a solid?
a)
Height of the object
b)
Surface texture
c)
Contact area
d)
Magnitude of force
4.
How does increasing the area of contact affect the pressure exerted on a surface?
a)
Pressure becomes negative
b)
Pressure decreases
c)
Pressure increases
d)
Pressure remains the same
5.
Which of the following statements about pressure is true?
a)
Pressure is independent of force
b)
Pressure increases with area
c)
Pressure is the same in all directions at a given depth in a fluid
d)
Pressure decreases with depth
6.
What is the pressure exerted by a liquid at a depth of 5 m, given that the density of the liquid is 800 kg/m³ and g = 10 N/kg?
a)
4000 Pa
b)
8000 Pa
c)
40000 Pa
d)
80000 Pa
7.
If a diver is 10 m below the surface of water, what is the pressure exerted on the diver due to the water? (Assume density of water is 1000 kg/m³ and g = 10 N/kg)
a)
1000 Pa
b)
100,000 Pa
c)
10,000 Pa
d)
20,000 Pa
8.
If a solid weighs 625 N and has a base area of 0.25 m², what is the pressure it exerts on the surface?
a)
1000 Pa
b)
500 Pa
c)
1250 Pa
d)
2500 Pa
9.
If a person weighing 60 kg stands on a surface area of 0.2 m², what is the pressure they exert on the surface? (Use g = 10 N/kg)
a)
3000 Pa
b)
300 Pa
c)
600 Pa
d)
1200 Pa
10.
Why are the walls of a dam made thicker at the bottom?
a)
To decrease the weight of the dam
b)
To allow for more water storage
c)
To increase structural strength
d)
To reduce water pressure
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