Physics
JAMB 2013
Calculate the work done when a force of 20N stretches a spring by 50mm.
-
A.
0.5J
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B.
1.5J
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C.
2.0J
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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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