A force of 15 newtons is used to push a box along the floor a distance of 3 meters. How much work was done?

2016-07-19 10:34 am
A. 5 J

B. 3 J

C. 45 J

D. 15 J

回答 (3)

2016-07-19 10:47 am
Work done
= F × s
= 15 × 3 J
= 45 J

...... The answer is: C. 45 J
2016-07-19 10:45 am
45 J
2016-07-19 10:40 am
W = F * d


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