Which task requires more work?
A. lifting the 50-kg sack 2 meters
B. lifting the 25-kg sack 4 meters
C. both require the same
D. need more information
Answer:C
Which task requires more work?
A. lifting the 50-kg sack 2 meters B. lifting the 25-kg sack 4 meters C. both require the same D. need more information