Hooke's Law

Purpose: Perform an experiment to find out the spring constant of three idea springs. Materials and Method: In the lab, you are given three springs of different sizes and materials. Observations and Findings: These are the results you obtained: Spring # 1 mass (kg 0 1 2 3 4 5 6 elongation 0 1.0 (cm) 2.0 3.0 4.0 5.0 6.0 Spring # 2 mass (kg) 0 5 10 15 20 25 30 elongation 0 10.0 (cm) 20.0 30.0 40.0 50.0 60.0 Spring # 3 mass (kg 0 10 20 30 40 50 60 elongation 0 (cm) 1.0 2.0 3.0 4.0 25.0 36.0 Answer these Questions based on the above observations: a) Plot a graph for each spring (on the same paper) to show the relationship between Force and Elongation b) Calculate the spring constant for each spring c) Which Spring (s) stretch linearly? How can you tell? d) How much will Spring #2 stretch if you apply a force of 270 N? e) If you wanted Spring #3 to stretch linearly by 10 cm, what maximum force would you have to apply to it