BBC6 年
Mechanical devices - AQA Levers
Mechanical advantage is the amount of help you get using a machine in comparison ... moving the weight, one end of the seesaw moves down. Key fact When a lever is balanced it has equilibrium ...
BBC4 年
Mechanical devices - Eduqas Levers
Mechanical advantage is the amount of help you get using a machine in comparison ... moving the weight, one end of the seesaw moves down. Key fact When a lever is balanced it has equilibrium ...