Description: This demonstration shows how with one charged rod on a pivot, one can use another of the same or opposite charge to show attraction or repulsion.
Equipment:
- Fur and silk
- rod (glass and PVC)
- pivot
Setup Procedure:
- fasten one rod onto the pivot if not already attached
- rub PVC rod with fur to make a negative charge
- Or rub glass rod with silk in order to make positive charge
Demonstration Procedure:
- setup a rod on the pivot
- using bold key in setup procedure, rub fur/silk on the rods
- explain how like charges repel and opposites attract as the rod on pivot reacts to rod in hand
- can change your rods/materials to your liking depending on which relationship you want to demonstrate
Caution: may cause a little static build up that may very mildly shock you
28-F4
