Question

Q. A spring 40 mm long is stretched by the application of a force. If 10 N force required to stretch the spring through 1 mm, then work done in stretching the spring through 40 mm is ?​

Answer 1

Answer:

400N

explanation:

so every 10N force is 1 mm stretched

the 1 mm is increased to 40

1 divided by 40 is 40,

so 10N x 40= 400N

its done as a ratio

Answer 2

400 N force spring stretched