Asked by Anonymous

Caculate the work done when a force of 20N strecthes a spring by 50mm
Answered by Elena
F=kx
k=F/x
W=ΔPE= kx²/2=Fx²/2x= Fx/2=20•0.05/2=0.5 J
Answered by Ahmad
0.5J
Answered by Bulus
0.5j
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