Searle's Experiment, Find g using simple pendulum

Define simple pendulum.

Ideal simple pendulum.

The period of simple pendulum

Determination of Youngs Modulus using Searles experiment | Determination of G using simple pendulum

In the measurement of g using a simple pendulum, which quantity should be measured which quantity should be measured with maximum accuracy and why ?

The motion of a simple pendulum is

The backlashes error can be elliminated in Searle's experiment, by rotating screw in

The backlash error can be elimintated in Searle's experiment, by rotating screw in