The lever has the effect of multiplying the force by 5 times – it is a 5× force multiplier. A student is lifting a ball weighing 50 N. The distance from his elbow to the ball is 40 cm and the ...

A simple lever could be a solid beam laid across a pivot. As effort is applied to rotate one end about the pivot. The opposite end is also rotated about the pivot in the same direction. This has ...