How Levers Help Us

Duration:

Creator: Clearence R Trexler Ed D

Complete Record: A man uses the lever to rift a car. Explaining how the leverage work. Pulling off the nail by hammer, digging the ground by scoop, rowing the boat, using scissors, crane breaking the building, a woman playing the piano, boys playing seesaw. These are all example to explain and introduce how the lever is made use of in usual life,