A lever is a simple machine consisting of a rigid rod arranged in such a manner that it can move freely around a fixed point. It is used to move, turn or lift objects. A lever is a tool that is used to pry objects loose.

Write four examples each for the three types of levers from your daily life. Class 1 lever Class 2 lever Class 3 lever

The lever in which the fulcrum is located between the load and the effort is called the first class or class one lever. The lever in which the load is located between the fulcrum and the effort is called the second class or class two lever. The lever in which the effort is located between the load and the fulcrum is called the third class or class three lever. Class 1 lever Class 2 lever Class 3 lever Scissors Wheel barrow Broom Hammer Stapler Fishing rod Nail clipper Nut cracker A pair of tongs See-saw Bottle opener Tweezer

Write two examples of each of the following. Simple machines found in the kitchen Simple machines found in the garden Simple machine found in the school

Simple machines are the tools that make our life easier. Simple machines are of six types: lever, pulley, inclined plane, wheel and axle, wedge, and screw. Examples of simple machines are as follows. Simple machines found in the kitchen Simple machines found in the garden Simple machine found in the school Knife Axe Staircase Rolling pin Wheelbarrow Scissors