For example, electrons transfer from the carpet ... Put the rubbed surface of the balloon against a wall - the electrostatic force should keep it there. If not then charge it more by rubbing ...
Either their complexity will render construction too difficult as might be the case with for example a CD player ... with the phenomenon of electrostatic force. Coulomb’s Law in action, the ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果