There are four springs stretched by the same mass Spring A stretches 25 cm Spring B streiches

10 cm Spring C streiches 100 cm Spring D stretches 1 cm

Which spring has the largest spring constant?

a

b

c

d

D

Explanation:

Hooke's law states the force exerted by a spring is the product of its spring constant and its displacement.

F = kx

Solving for the spring constant:

k = F/x

All the springs are pulled with equal force (the weight of the mass), so the spring with the smallest displacement has the largest spring coefficient.