Elastic strain potential energy

Question 1

Appreciate that the work done by a varying force is given by what in a force-distance graph

Answer 1

• The area under the graph

Question 2

Recall and justify that the elastic potential energy stored in a object under tension is given by

Answer 2

• 𝑈E =1/2𝐹𝑥 = 1/2𝑘𝑥^2
• See notes page