Core Practical 15.6 - Investigating Force & Extension

Question 1

Extensions:

Method:

Answer 1

• Attach a spring to a fixed point and a mass hanger to the other end.
• Note original length using a ruler
• Hang a 100 g mass on the spring and new length of ruler, and repeat
• Remove the masses and repeat the entire process two more times.
• Calculate the average length of the spring from the three trials.

Question 2

Extensions:

Equipment

Answer 2

• Spring
• Mass hanger
• Weights
• Ruler or vernier caliper

Question 3

Extensions:

Variables:

Answer 3

• Independent variable: Mass added to the hanger
• Dependent variables: Force applied, Work done
• Control variables: Spring constant