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11 Cards in this Set
- Front
- Back
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What is the pressure exerted by a man standing on one leg?
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The pressure exerted by a man standing on one leg is twice the pressure he exerts when standing on two legs.
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The weight of a 100 N laser printer is spread over 0.5m2. What is the pressure it exerts?
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The pressure exerted by a 100 N laser printer spread over 0.5m2 is 200 N/m2.
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What are the correct units of pressure?
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Newtons per square metre (N M2)
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How do you calculate pressure?
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Force divided by area.
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Give an example of increases pressue:
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Drawing point
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Give an example of something that reduces pressure on the ground the most?
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Lying down flat reduces pressure on the ground the most. Wearing skis reduces it a little.
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What states of matter are fluids?
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Liquids and gases
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Where is there greatest pressure?
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At the bottom of the ocean.
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What is upthrust?
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The force that water pushes floating objects up with. |
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To calculate pressure, you need to know two things: |
* the surface area over which the force or weight is spread |
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1 Pa = ....
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..... 1 N/m2
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