Calculate the work done when a force of 20N stretches a spring by 50mm.
-
A.
0.5J -
B.
1.5J -
C.
2.0J -
D.
2.5J
Correct Answer: Option A
Explanation
W = (frac{1}{2}Fe)
W = (frac{1}{2}times 20 times 0.05)
W = 0.5J
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