Elastic Potential Energy Notes

Multiple Choice

When a spring is stretched 0.2 m from its equilibrium position, it possesses a potential energy of 10 j. What is the spring constant for this spring?

• 250 N/m

• 1000 N/m

• 750 N/m

• 500 N/m

Multiple Choice

Which graph best represents the relationship between the force applied to a spring and the elongation of the spring?

Multiple Choice

A force of 0.2 N is needed to compress a spring a distance of 0.02 m. The potential energy stored in the compressed spring is

• 0.01 J
• 0.002 J
• 0.005 J
• 0.1 J

Open Ended

Based on the graph provided, tell me the spring constant of the spring AND the total work needed to stretch the spring 0.4 m.