Force And Extension

Question 1

Hooke’s law

Answer 1

Force = spring constant x extension

Question 2

Extension against weight graph

Answer 2

A straight line through the origin with gradient 1/spring constant

Question 3

Set up

Answer 3

You need a clamp stand with a weight on the bottom to hold it down
Add two clamps, one for the ruler and one for the spring
Ensure that the 0 on the ruler lines up with the top of the spring

Question 4

Test

Answer 4

Take the measurement of the extension and repeat adding 1N weight to the bottom of the spring each time
Record it in a table and plot a graph