Question

Tessa weighs 425 N and Cindy weighs 300 N. They both climb a flight of stairs to a height of 8 m in 6 seconds. What can be said about the amount of work done by Tessa when compared with the work done by Cindy? A. Tessa does more work than Cindy because she weighs more. B. Cindy does more work than Tessa because she weighs less. C. Tessa and Cindy do the same amount of work because they both climb to a height of 8 m. D. Tessa and Cindy do the same amount of work because they both climb for 6 seconds.

Answer 1

The answer is A. Tessa does more work than Cindy because she weighs more. The work being done is determined by both force and distance. When distance is same, the bigger force, the more work.