Physics · Work, Energy and Power
An object starts from rest on a frictionless horizontal surface under the application of a constant horizontal force. Which of the following describes the relationship between the work (W) done by the force on the object and the object's speed (v)?
- 1W is directly proportional to v2✓
- 2W is directly proportional to v
- 3W is inversely proportional to v
- 4W is independent of v
Correct answer
W is directly proportional to v2
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