WorksheetsPressure 2
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
A 20 kg wooden box with dimension of 50 cm × 30 cm × 20 cm. What is the maximum pressure that can be exerted on the floor by this wooden box?
a)
0.03 N cm-2
b)
0.03 N cm-2
c)
0.20 N cm-2
d)
0.33 N cm-2
2.
Which of the following graphs shows the correct relationship between water pressure, p and depth, h of the water?
a)
A
b)
B
c)
C
d)
D
3.
Two identical containers containing liquid M and liquid N with 28 cm height and 20 cm height respectively. Both containers produce the same water spurt.
If the density of liquid M is 2.0 g cm−3, find the density of liquid N.
If the density of liquid M is 2.0 g cm−3, find the density of liquid N.
a)
0.70 g cm−3
b)
1.40 g cm−3
c)
1.43 g cm−3
d)
2.80 g cm−3
4.
Given that the pressure of sea water at the bottom of an ocean is 7.65 × 107 N m−2, calculate the depth of the ocean.
[Density of sea water = 1.02 × 103 kg m−3]
[Density of sea water = 1.02 × 103 kg m−3]
a)
7.5 × 108
m
b)
7.5 × 104 m
c)
7.5 × 103 m
d)
7.5 × 102 m
5.
Arrange the density of spheres, W, X, Y and Z, in descending order.
a)
X, Y, W, Z
b)
Y, X, W, Z
c)
X, W, Y, Z
d)
W, Z, X, Y
6.
The pressure of water exerted on the fishes is PX, PY and PZ respectively.
Which comparison is correct about the pressure exerted on the fishes?
Which comparison is correct about the pressure exerted on the fishes?
a)
PZ > PY > PX
b)
PZ = PX < PY
c)
PZ = PX > PY
d)
PZ < PX < PY
7.
Calculate the pressure exerted by the water on the fish.
[Density of water = 1 000 kg m−3]
[Density of water = 1 000 kg m−3]
a)
5 × 104 Pa
b)
5 × 107 Pa
c)
5 × 106 Pa
d)
5 × 10-1 Pa
8.
What happens to pressure as you go deeper under water?
a)
it increases
b)
it decreases
c)
it stays the some
d)
no soup for you!
9.
Diagram 10 shows a diver in the sea
Which physical quantity will increase when the diver dives deeper?
Which physical quantity will increase when the diver dives deeper?
a)
Pressure
b)
Buoyant Force
c)
Atmospheric pressure
d)
Gravitational field strength
10.
Which of the following diagrams shows the best design for the wall of a reservoir?
a)
A
b)
B
c)
C
d)
D
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