Question detail

Pressure and pressure differences in fluids (physics only) scenario: air resistance changes until terminal velocity is reached. Which answer best addresses Atmospheric pressure (physics only) and the objective to (Physics only) Explain that the atmosphere becomes less dense at greater height?

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 parachutist scenario, apply atmosphere to (Physics only) Explain that the atmosphere becomes less dense at greater height while keeping force versus pressure separate.
B. In the parachutist scenario, mix up force versus pressure and ignore atmosphere.
C. Use a general revision statement without applying Atmospheric pressure (physics only) to the situation.
D. Choose a different forces topic instead of explaining (Physics only) Explain that the atmosphere becomes less dense at greater height.

Answer

The correct answer is: In the parachutist scenario, apply atmosphere to (Physics only) Explain that the atmosphere becomes less dense at greater height while keeping force versus pressure separate.

Explanation

The correct option is In the parachutist scenario, apply atmosphere to (Physics only) Explain that the atmosphere becomes less dense at greater height while keeping force versus pressure separate.. It is correct because the scenario says air resistance changes until terminal velocity is reached, which must be interpreted through Atmospheric pressure (physics only). This directly supports the learning objective to (Physics only) Explain that the atmosphere becomes less dense at greater height. Use values 4, 5, and 11 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 Atmospheric Density

Students often think that the atmosphere becomes less dense due to a lack of air particles rather than the weight of the air above compressing the air below.

Emphasize that as height increases, there is less air above to exert pressure, leading to lower density, and relate this to the concept of atmospheric pressure.

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