GCSE Physics – Pressure of liquids
Learning Objectives
-I can explain why pressure in a liquid varies with depth and density
-I can calculate pressures at different depths in a liquid
-I can describe how an increase in pressure with depth generates an upward force
-I can describe and explain the factors which influence buoyancy
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Question 1 of 28
1. Question
What is true about the pressure in a liquid?
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Question 2 of 28
2. Question
What happens as depth of liquid increases?
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Question 3 of 28
3. Question
Why does the pressure in a liquid increase as you go down?
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Question 4 of 28
4. Question
What is the equation for pressure of a column of liquid?
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Question 5 of 28
5. Question
What is the symbol equation for pressure?
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Question 6 of 28
6. Question
What does the symbol ρ mean?
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Question 7 of 28
7. Question
What is the symbol for gravitational field strength?
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Question 8 of 28
8. Question
What are the units for pressure?
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Question 9 of 28
9. Question
What are the units for height of the column?
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Question 10 of 28
10. Question
What are the units for density?
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Question 11 of 28
11. Question
What are the units for gravitational field strength?
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Question 12 of 28
12. Question
What is the value of gravitational field strength on Earth?
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Question 13 of 28
13. Question
Calculate the increase in pressure of a stone as it sinks from 1 m to 6 m. The density of water is 1000 kg/m^3 and gravitational field strength = 9.8 N/kg.
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Question 14 of 28
14. Question
Calculate the increase in pressure of a stone as it sinks from 1 m to 8 m. The density of water is 1000 kg/m^3 and gravitational field strength = 9.8 N/kg.
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Question 15 of 28
15. Question
Calculate the increase in pressure of a stone as it sinks from 1 m to 11 m. The density of water is 1000 kg/m^3 and gravitational field strength = 9.8 N/kg.
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Question 16 of 28
16. Question
What is the pressure exerted by 2 m of water on a swimming pool? The density of water is 1000 kg/m^3 and gravitational field strength = 9.8 N/kg.
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Question 17 of 28
17. Question
What is the pressure exerted by 1.45 m of water on a swimming pool? The density of water is 1000 kg/m^3 and gravitational field strength = 9.8 N/kg.
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Question 18 of 28
18. Question
What is the pressure exerted by 4.3 m of water on a swimming pool? The density of water is 1000 kg/m^3 and gravitational field strength = 9.8 N/kg.
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Question 19 of 28
19. Question
The density of water is 1000 kg/m^3. Calculate the pressure at the bottom of a dam 12 m deep. gravitational field strength = 9.8 N/kg.
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Question 20 of 28
20. Question
Calculate the height of the water if the pressure at the bottom of a pool is 41160 N. The density of water is 1000 kg/m^3 and gravitational field strength = 9.8 N/kg.
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Question 21 of 28
21. Question
Calculate the height of the water if the pressure at the bottom of a pool is 98000 N. The density of water is 1000 kg/m^3 and gravitational field strength = 9.8 N/kg.
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Question 22 of 28
22. Question
Calculate the height of the water if the pressure at the bottom of a pool is 147000 N. The density of water is 1000 kg/m^3 and gravitational field strength = 9.8 N/kg.
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Question 23 of 28
23. Question
As the depth of a liquid increases, what forms?
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Question 24 of 28
24. Question
What direction will the weight of an object in water act?
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Question 25 of 28
25. Question
Describe the link between the upthrust and weight of an object, resulting in the sinking of the object.
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Question 26 of 28
26. Question
Describe the forces acting on a floating object.
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Question 27 of 28
27. Question
What direction do forces act for a floating object?
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Question 28 of 28
28. Question
What factor influences buoyancy?
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