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14 cards from this deck
Property of objects returning to original shape after applied force is removed
Boundary where objects become permanently deformed
F=kxF = kxF=kx
Measures stiffness of spring (in N m⁻¹)
Stiff spring, needs lot of force to stretch
Spring stretches easily
Ep=12kx2E_p = \frac{1}{2}kx^2Ep=21kx2
W=12kx2W = \frac{1}{2}kx^2W=21kx2
Four times (energy ∝\propto∝ displacement squared)
KE is maximum, PE is zero
KE is zero, PE is maximum
Opposite direction to displacement
k=Fxk = \frac{F}{x}k=xF (gradient)
x=mgkx = \frac{mg}{k}x=kmg
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