Question detail

Which option best applies gravitational field strength for Gravity and weight in AQA GCSE Physics Forces?

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

Show answer Topic hub Objective page

At a glance

MCQ

Type

practice

Style

Topic

Forces and their interactions

Question

A. Weight is the product of mass and gravitational field strength — application focus for gravitational field strength
B. This confuses scalar and vector quantities and does not answer Gravity and weight.
C. This is too vague because it does not use the force or motion quantity named in the objective.
D. This reverses the physical cause and effect for Forces and their interactions.

Answer

The correct answer is: Weight is the product of mass and gravitational field strength — application focus for gravitational field strength

Explanation

The correct option is Weight is the product of mass and gravitational field strength — application focus for gravitational field strength. Weight is the product of mass and gravitational field strength — application focus for gravitational field strength is correct because it matches the approved learning objective to state that gravitational field strength is measured in newtons per kilogram. This answer belongs to Gravity and weight within Forces and their interactions, so it must use precise AQA GCSE Physics forces and motion vocabulary. The other options are wrong because they either confuse scalar and vector quantities, omit the required force or motion condition, or move away from the exact subtopic being tested.

Common mistake

Confusing Units of Gravitational Field Strength

Students often confuse the units of gravitational field strength, thinking it is measured in newtons (N) instead of newtons per kilogram (N/kg).

Remember that gravitational field strength is defined as the force per unit mass, so it must be expressed in N/kg.

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