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9 questions
Which of these is the equation relating Pressure, Force and Area?
P = AF
P = F ×A
P = FA
P = aF
Which of these is the correct equation triangle?
Which of TWO these units mean the same thing
N / m2 (Newtons per metre squared)
Pa (Pascals)
N / cm2 (Newtons per centimetre squared)
Nm (Newton Meters)
What is the unit for pressure?
Pascal (Pa)
Rads (Rd)
Metres per second (m/s)
Newtons (N)
The T__________ affects the pressure of a gas.
Gas pressure is caused by particles .....
Colliding with the walls of the container.
Colliding with each other.
Reacting with each other.
Reacting with the walls of the container.
What are the three factors that affect Gas Pressure?
Volume of Container
Number of Particles
Temperature
What the gas smells like
Turning Force
A person pushes a closed door with their hand. The push with a force of 50N. Their hand has an area of 200 cm2 . Calculate the pressure they apply to the door
0.25N / m2
0.25N / cm2
10,000N / m2
10,000μN / m3
A pupil has a 2 balloons of Nitrogen gas. She places one in the fridge and one in the oven. What will happen to the balloons?
The fridge balloon will shrink and the oven balloon will expand
The fridge balloon will shrink and the oven balloon will shrink
The fridge balloon will expand and the oven balloon will shrink
The fridge balloon will expand and the oven balloon will expand
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