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A5.1 - A5.2 Force and Pressure, Pressure in Liquids and Gases

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Pressure is best defined as

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✅EvaluateQuestion 2 of 20

What is the SI unit of pressure?

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✅EvaluateQuestion 3 of 20

Which quantity is needed to calculate pressure?

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✅EvaluateQuestion 4 of 20

Liquid pressure increases when

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✅EvaluateQuestion 5 of 20

Which instrument measures atmospheric pressure?

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✅EvaluateQuestion 6 of 20

Pressure acts in which direction in a liquid?

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✅EvaluateQuestion 7 of 20

Gas pressure is caused by

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✅EvaluateQuestion 8 of 20

A force of 200 N acts on an area of 0.5 m². What is the pressure?

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✅EvaluateQuestion 9 of 20

Why do camels have wide feet?

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✅EvaluateQuestion 10 of 20

Which factor does NOT affect pressure in a liquid?

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✅EvaluateQuestion 11 of 20

A diver swims deeper below sea level. What happens to the pressure?

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✅EvaluateQuestion 12 of 20

Which formula is used to calculate pressure at a depth in a liquid?

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✅EvaluateQuestion 13 of 20

Which device compares gas pressure with atmospheric pressure?

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✅EvaluateQuestion 14 of 20

Calculate the pressure exerted by a 600 N crate resting on an area of 0.30 m².

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✅EvaluateQuestion 15 of 20

What pressure is exerted at a depth of 4 m in fresh water? (ρ = 1000 kg m⁻³, g = 10 N kg⁻¹)

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✅EvaluateQuestion 16 of 20

Why are dam walls thicker at the bottom?

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✅EvaluateQuestion 17 of 20

A gas is heated in a closed container. What happens to the pressure?

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✅EvaluateQuestion 18 of 20

Which change will reduce the pressure exerted by an object on the ground?

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✅EvaluateQuestion 19 of 20

A manometer shows a larger difference in liquid levels. What does this indicate?

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✅EvaluateQuestion 20 of 20

Why does air pressure decrease with altitude?

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✅EvaluateQuestion 1 of 20

Pressure is best defined as

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