06. Investigation of the force-extension relationship for rubber
rubber band of cross-section approximately 1mm by 2mm
clamp and stand
g-clamp to secure (if required)
50 g mass holder plus a number of 50 g masses
optical pin (for use as a pointer if required)
metre rule (resolution ± 0.001m)
micrometer (resolution ± 0.01mm)
Physical injury if the wire breaks.
Students should wear eye protection and should provide safe landing for the load should sample break, e.g. a box containing old cloth/sponges etc.