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Chemistry

25 February, 08:35

Which of the following is NOT an example of work being done?

Question 14 options:

Superman catches Mrs. Nicol while falling from a burning building and applies an upward force to fly her back up to the rooftop to safety.

A force is applied by a chain to a rollercoaster car to carry it up the hill of the first drop of the Nitro ride at Six Flags Great Adventure.

Mrs. Coyne is holding her dog, Cosmo, 1 m off the ground for 20 minutes.