Question

A force of 10N causes aspring to extend by 20mm.
find a, the spring constant of the spring in N/M
b, the extension of the spring when 25N is applied
c,the force applied that causes an extension of 5mm

Answer 1

Recall that F = kx. So,
(a) 10 = k * 0.02
(b) 25 = kx
(c) F = k * 0.005

Answer 2

Student