Multiple Choice
What task requires the most work;lifting a 50-kg sack 2 meters or lifting a 25-kg sack 4 meters?
A) the 50-kg sack
B) the 25-kg sack
C) Both require the same amount of work.
D) impossible to determine without knowing the contents of the sack
Correct Answer:

Verified
Correct Answer:
Verified
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