1. Free fall
2.Hooks law
3.Friction
4.Newtons second law
5.Newtons third law
6, overweight and weightlessness
7. Centripetal force research
8.Verify the law of conservation of mechanical energy
9.Capacitor charging and discharging
10.Mapping volt-ampere characteristic curve
11. Explore the quantitative relationship between conductor resistance and its influencing factors
12, determine the batterys electromotive force and internal resistance
13.Measurement of magnetic induction
14.Boeys law
15.Charlies Law
16.Photoelectric effect
17.Synthetic decomposition of forces on inclined planes
18.Ampere Research