Question detail
State the relationship between work done and the distance moved by a vehicle when a constant braking force is applied.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Work done and energy transfer
Question
State the relationship between work done and the distance moved by a vehicle when a constant braking force is applied.
Answer
The work done by the braking force is directly proportional to the distance moved by the vehicle. This means that if the distance increases while the braking force remains constant, the work done will also increase.
Explanation
This question assesses the student's ability to recall and articulate the direct relationship between work done and distance in the context of braking. It reinforces the concept that work done is a function of both force and distance.
Common mistake
Misunderstanding Work Done
Students often confuse work done with the total energy transferred, not realizing that work done is specifically the energy transferred when a force moves an object through a distance.
To fix this, students should focus on the definition of work done as energy transferred by a force acting over a distance, and practice using the equation W = F x s to reinforce this concept.
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