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