In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

Q: Question: Work is done only if a force is exerted in the direction of what? Answer: motion

A: Work is done only if a force is exerted in the direction of motion.
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Q: Question: What season causes people to look forward to spring? Answer: winter

A: Winter season causes people to look forward to spring.
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Q: Question: Which of the following represents the velocity of a moving object? Answer: 40 m/s north

A:
40 m/s north of the following represents the velocity of a moving object.
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