hooke's law

Question 1

method

Answer 1

Hang the spring from the end of a clamp
Position the meter ruler so it is clamped parallel to the spring
View the spring from eye level, measure the initial length of the spring
Add 2N to the end of the spring
Measure the new length using the meter ruler
Extension = final - initial length
Add 2N each time until 10N and record your results to make a graph

Question 2

accuracy (control variables)

Answer 2

Clamp has the ruler parallel to the spring to accurate measures
Measure from eye level

Question 3

safety

Answer 3

use goggles
keep the stand in the middle of the table

Question 4

independent

Answer 4

force applied

Question 5

dependent

Answer 5

extension