Question detail

Forces and motion scenario: weight and normal contact force act on one object. Which answer best addresses Stopping distances and safety and the objective to explain how poor tyre or brake condition can increase braking distance?

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 book on table scenario, apply braking distance to explain how poor tyre or brake condition can increase braking distance while keeping distance versus displacement separate.
B. In the book on table scenario, mix up distance versus displacement and ignore braking distance.
C. Use a general revision statement without applying Stopping distances and safety to the situation.
D. Choose a different forces topic instead of explaining explain how poor tyre or brake condition can increase braking distance.

Answer

The correct answer is: In the book on table scenario, apply braking distance to explain how poor tyre or brake condition can increase braking distance while keeping distance versus displacement separate.

Explanation

The correct option is In the book on table scenario, apply braking distance to explain how poor tyre or brake condition can increase braking distance while keeping distance versus displacement separate.. It is correct because the scenario says weight and normal contact force act on one object, which must be interpreted through Stopping distances and safety. This directly supports the learning objective to explain how poor tyre or brake condition can increase braking distance. Use values 6, 8, and 15 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 distance versus displacement.

Common mistake

Misunderstanding Braking Distance

Students often confuse braking distance with stopping distance, thinking they are the same.

Remember that braking distance is only the distance travelled while the brakes are applied, while stopping distance includes both thinking distance and braking distance.

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