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Middle School: 6th, 7th and 8th Grade
Science
Pressure 3
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Q.1
What force is needed on an area of 4m to produce a pressure of 16Pa?
0%
0.25N
0%
4N
0%
64N
0%
64Kg
Q.2
The bottom of a box has dimensions 2m by 3m. What is the weight of the box to produce a pressure of 20Pa?
0%
4N
0%
26N
0%
100N
0%
120N
Q.3
Box A has a weight of 20N. It is put on top of box B. These two boxes exert a pressure of 60Pa. The area box B covers is 3m . Find weight of box B.
0%
60N
0%
80N
0%
160N
0%
180N
Q.4
A four legged table exerts a pressure of 8,000Pa on the ground. Each leg has an area of 0.01m . What is the weight of the table?
0%
32N
0%
80N
0%
320N
0%
320Kg
Q.5
What has to happen to the force exerted if the area doubles but the pressure is unchanged?
0%
The force must decrease
0%
The force must double
0%
The force must increase
0%
The force must stay the same
Q.6
The dimensions of a ski are 8cm x 150cm. What is the weight of a skier standing on 2 skis to produce a pressure of 2,500Pa?
0%
500N
0%
600N
0%
900N
0%
2,400N
Q.7
A girl is wearing a trainer on one foot and a stiletto on the other! Which exerts the most pressure on the ground?
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Both the same
0%
Stiletto heel
0%
They don't exert a pressure
0%
Trainer
Q.8
What has to happen to the force exerted over a fixed area if the pressure doubles?
0%
The force must decrease
0%
The force must double
0%
The force must increase
0%
The force must stay the same
Q.9
What force is needed on an area of 5m to produce a pressure of 25Pa?
0%
5N
0%
20N
0%
30N
0%
125N
Q.10
The bottom of a box has an area of 5m . What is the weight of the box to produce a pressure of 20Pa?
0%
4N
0%
100N
0%
4Kg
0%
100Kg
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