Question detail

Forces and motion scenario: a box presses on a small contact area and changes pressure. Which answer best addresses Required practical: acceleration and the objective to describe how to investigate the effect of changing mass on the acceleration of a trolley?

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

Forces and motion

Question

A. In the pressure pad scenario, apply acceleration to describe how to investigate the effect of changing mass on the acceleration of a trolley while keeping mass versus weight separate.
B. In the pressure pad scenario, mix up mass versus weight and ignore acceleration.
C. Use a general revision statement without applying Required practical: acceleration to the situation.
D. Choose a different forces topic instead of explaining describe how to investigate the effect of changing mass on the acceleration of a trolley.

Answer

The correct answer is: In the pressure pad scenario, apply acceleration to describe how to investigate the effect of changing mass on the acceleration of a trolley while keeping mass versus weight separate.

Explanation

The correct option is In the pressure pad scenario, apply acceleration to describe how to investigate the effect of changing mass on the acceleration of a trolley while keeping mass versus weight separate.. It is correct because the scenario says a box presses on a small contact area and changes pressure, which must be interpreted through Required practical: acceleration. This directly supports the learning objective to describe how to investigate the effect of changing mass on the acceleration of a trolley. Use values 6, 6, and 19 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 mass versus weight.

Common mistake

Confusing Mass and Weight

Students often confuse mass with weight, thinking they are the same. They may state that mass is measured in newtons instead of kilograms.

Remember that mass is a measure of the amount of matter in an object and is measured in kilograms (kg), while weight is the force acting on that mass due to gravity and is measured in newtons (N).

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