The mechanical advantage of the machine is: (600n/150)=4 . 机器的机械效益是:(600牛顿150牛顿)4。
2.
Mechanical advantage of lever 杠杆机械效益
3.
The mechanical engineer now has the mathematical ability to calculate the mechanical advantage that results from the complex interaction of many different mechanisms 机械工程师有数学能力来计算由许多复杂的机构相互作用而形成的"机器效益" 。