Many things.
Some of these are:
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of course ... the length of the pendulum ... :) base on our experiment >>>
The mass of the pendulum, the length of string, and the initial displacement from the rest position.
The period of a pendulum is affected by the angle created by the swing of the pendulum, the length of the attachment to the mass, and the weight of the mass on the end of the pendulum.
no. it affects the period of the cycles.
Yes, the length of a pendulum affects its swing. The oscillation will be longer with a longer length and shorter with a shorter length.