SP2f Extension and Energy Transfers

Question 1

The gradient of the line(s) on a F - x graph is ?

Answer 1

the stiffness or spring constant.

Question 2

Force (N) = ?

Answer 2

spring constant (N/m) x extension (m)

Question 3

Average force (N) = ?

Answer 3

½ x spring constant (N/m) x extension (m)

Question 4

Elastic potential energy (J) =

Answer 4

½ x spring constant (N/m) x extension² (m)