Question detail
What happens to the work done when a larger braking force is applied over the same distance?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Work done and energy transfer
Question
- A. The work done decreases
- B. The work done remains the same
- C. The work done increases
- D. The work done becomes zero
Answer
The work done increases
Explanation
A larger braking force results in more energy being transferred, thus increasing the work done.
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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