Jack pushed and pushed, and finally moved the new refrigerator into the kitchen. what is the best explanation of what happened?
a) jack used energy to do work.
b) jack had no energy and did no work.
c) jack used all his potential energy.
d) jack used energy but the refrigerator did all the work.
Answers: 2
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Jack pushed and pushed, and finally moved the new refrigerator into the kitchen. what is the best ex...
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