He found that the period (time it takes for the pendulum to swing back and forth) does not depend on the arc of the swing but the length of the string.
Waxaanaysheegtay in uu si niyad samiya ku wareejiyay xilka, isla markaana uu og soon yahay in xilka qaranku meerto yahay, wax cadho ama colaad ahna aanu ka qabin xil ka qaadistiisa.