Elastic Band Force Extension Practical

Question 1

Apparatus used to investigate the link between force and extension of a rubber band:

Answer 1

• Retort stand and clamp
• Rubber band
• Ruler
• Mass hanger
• Masses

Question 2

What is the relationship between the force and extension for an elastic band?

Answer 2

• Non-linear relationship between force and extension
• Doesn’t obey Hooke’s law as the force and extension aren’t directly proportional as there isn’t a straight line going through the origin