Apendle orwanrest is amass (ony object, for ordinarmetal) on an airm, (apowl orstring). The airm is yokit tae apeevot, a pynt for tae swee frae. The mass will naiturally hing doun acause ogravity, but gin it is pushed tae ane side it will oscillate, sweein frae side tae side. Thefrequency o the sweengin pendle steys the same.
We can wirk oot the time taen for ae fu oscillation (for ensaumple sweengin frae left tae richt an back tae left. We will caw this time T. Gin the pendle lenth isl, an thepoust o gravity is g, than: