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3 cards from this section. Quick, good the night before a test.
What is thrust?
Think of pressing on different surfaces.
Define pressure.
How is force related to area?
What is thrust?
Consider how you apply force in different situations.
Pressure acts in all directions in fluids.
Think about being underwater.
Calculate the thrust experienced by a 50 kg mass on a surface during free fall. How does this relate to pressure if the area in contact is 0.1 m²?
Use the definitions of thrust and pressure you've learned!
If an object with a volume of 2 m³ displaces 20 kg of water, determine if it will float or sink in water. What does this suggest about its density?
Think about the relationship between density and buoyancy!
5 more questions in this section. Enroll free to practise them all.
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