Question detail

Pressure and pressure differences in fluids (physics only) scenario: a trolley accelerates down a ramp while a timer records motion. Which answer best addresses Pressure in liquids (physics only) and the objective to (Physics only) Explain that pressure in a liquid increases with depth?

Try the question, check the answer, then read the explanation to understand the curriculum point.

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At a glance

MCQ

Type

practice

Style

Topic

Pressure and pressure differences in fluids (physics only)

Question

A. In the trolley ramp scenario, apply depth to (Physics only) Explain that pressure in a liquid increases with depth while keeping force versus pressure separate.
B. In the trolley ramp scenario, mix up force versus pressure and ignore depth.
C. Use a general revision statement without applying Pressure in liquids (physics only) to the situation.
D. Choose a different forces topic instead of explaining (Physics only) Explain that pressure in a liquid increases with depth.

Answer

The correct answer is: In the trolley ramp scenario, apply depth to (Physics only) Explain that pressure in a liquid increases with depth while keeping force versus pressure separate.

Explanation

The correct option is In the trolley ramp scenario, apply depth to (Physics only) Explain that pressure in a liquid increases with depth while keeping force versus pressure separate.. It is correct because the scenario says a trolley accelerates down a ramp while a timer records motion, which must be interpreted through Pressure in liquids (physics only). This directly supports the learning objective to (Physics only) Explain that pressure in a liquid increases with depth. Use values 2, 9, and 12 only if the question asks for a calculation. The answer earns credit by naming the relevant force or motion quantity, using units when needed, and avoiding the boundary error force versus pressure.

Common mistake

Misunderstanding Pressure Increase with Depth

Students often think that pressure in a liquid increases due to the weight of the liquid above, but they confuse this with the total weight of the liquid rather than the height of the liquid column.

Emphasize that pressure increases with depth because of the height of the liquid column and its density, not just the total weight of the liquid.

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