Physics
17. Measurement of g with a pendulum
pendulum bob
approximately 1.5 m string or thread
two small wooden blocks to clamp the string
stand , boss and clamp
pin and blu tack to use as a fiducial marker.
metre ruler
stop clock (reading to 0.01 s)
Hazard | Risk | Control measure |
---|---|---|
Breaking wire |
Physical injury if the pendulum 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. |