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10 questions
Which of the following are units for pressure?
Pascals
Watts
Joules per second
Newton’s per metre squared
Which of Jane’s shoes will exert the highest pressure?
The tractor has a weight of 30,000 N. The total surface area of tyres I contact with the ground is 4 m2. What pressure does the tractor exert on the ground?
120 Pa
750 Pa
1200 Pa
7500 Pa
Which of the following factors affect the pressure of an object on a surface?
Weight
Surface Area
Volume
Density
All heavy objects exert a high pressure.
True
False
In which position is the liquid pressure greatest?
a
b
c
What causes the pain in your ears as they pop when you descend from a flight on an aeroplane?
Increasing air pressure
Decreasing air pressure
Colder air temperature
Warmer air temperature
The pencil has a weight of 0.15 N and exerts a pressure of 0.06 N/mm2 on the table. What is the surface area in contact with the table?
0.009 mm2
0.019 mm2
0.06 mm2
0.09 mm2
Assuming all the men have the same mass, which of the following exert the lowest pressure?
Which of the following are NOT units for pressure?
N/mm2
N/cm2
N/m2
N/mm3
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