A
simple pendulum is a pendulum which makes periodic motion(T) on the vertical
surface with a string in length of L defying weight of the pendulum itself with
its one tail fixed in a place and the other tail slung over pendulum which is
weighed M. Calibrate an acceleration of gravity under a terrestrial
gravitation.

Stand Rod(2) :
50cm(1), 70cm(1)

Spherical
Mass(1) : 35mm diam

Table Clamp(1) : 5”

Rod with hook(1)
: 13cm

Nylon(1) : 2m

X-Clamp(1)

Segye Photogate
Timer System(1) : SG-9630S

Vernier Calipers(1)