High school physics teachers often have trouble in making physics simple and vivid.It will be benefit for teaching explanation to let teachers of high school physics design physical cartoons.
We can measure the vertical force by using hanging scales based on lever principle.Torsion balance can be freely twisted around wire and the torque(τband)is equal to the torsion constant for the band(
Example problem is a significant part of teaching materials.And it also play a crucial role in developing students innovation ability and comprehensive ability.
The 21st century society calls for a reconsideration of education towards helping students develop “21st century skills” in order to be successful in todays global community.