Three Springs

Summary:

• Demonstrate variable spring stiffness.

Equipment:

• 3 longish springs of equal length
• 3 equal 500-1000 g hooked masses
• 2 retort stands, 2 clamps, with 3/8 inch rod to span across for suspending the springs

Location:

• Bin in section 2 labelled "Springs"

Description:

• Demonstrate that the 3 springs stretch by different amounts with the equal mass suspended. Talk about what larger/smaller "k" means.
• Demonstrate SHM with the 3 different springs.