Question on: JAMB Physics - 2013
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
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Correct Option: A
W = (\frac{1}{2}Fe)
W = (\frac{1}{2}\times 20 \times 0.05)
W = 0.5J
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