View HintsThink of all the properties of simple machines and try to correlate with examples. A lever is a simple machine which consists of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. A lever is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. A lever is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. There are three types of levers: first class, second class and third class. The difference between the three classes depends on where the force is, where the fulcrum is and where the load is. Other examples of levers in everyday life include teeter-totters, wheelbarrows, scissors, pliers, bottle openers, mops, nutcrackers and sports equipment like baseball bats, golf clubs and hockey sticks. There are three types of levers: first class, second class and third class. The difference between the three classes depends on where the force is, where the fulcrum is and where the load is. A lever is a rigid body capable of rotating on a point on itself. |
