I need help with these questions. (The Simple Pendulum) Experiment

exp4.pdf

2.1.1 How should the period of the pendulum depend on the mass?
2.1.2 How should the period of the pendulum depend on the amplitude?
2.1.3 What is a criterion for a small-amplitude oscillation? Why does this do a good job?
2.1.4 Would the measurements be most accurate with a long or a short string? Why? Apply this when choosing the initial setup of your experiment.2.1.5 What tables will you need to organize your measurements and the uncertainty calculations? 

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