4
QuizMultiple Choice

Lesson 1: Work and Power

Question 4 • 350CR Integrated Science

Which statement about work and power correctly describes an automobile race?

Answer
A
The cars do different amounts of work depending on how fast they finish.
B
The car that finishes last has the lowest power.
C
The car with the greatest power travels the greatest distance.
D
The cars do different amounts of work depending on their power.

Explanation

For a race over the same distance, the cars are treated as doing the same amount of work. Power is work divided by time, so the car that takes the longest to finish has the lowest power. Thus, the car that finishes last has the lowest power.

AI-written and checked against the verified answer.

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