Question detail
How is one joule defined in terms of force and 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. One joule is one newton per meter.
- B. One joule is one newton meter.
- C. One joule is one kilogram meter per second.
- D. One joule is one watt second.
Answer
One joule is one newton meter.
Explanation
One joule is defined as the work done when a force of one newton moves an object one meter in the direction of the force.
Common mistake
Proportional Reasoning in Work Done
Students often assume that if one braking force is twice another, the work done will also be twice, without considering the distance over which the force is applied.
To fix this, remember that work done is calculated as the product of force and distance. Ensure to compare both the force and the distance when applying proportional reasoning.
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