According to Hooke's law, the restoring force of a spring with constant $k$ at displacement $x$ from equilibrium is

Question

Accepted Answer

$F = -kx$

Answer

$F = kx$

Answer

$F = -kx^2$

Answer

$F = -k/x$

According to Hooke's law, the restoring force of a spring with constant kkk at displacement xxx from equilibrium is