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                                    Machines make our work easier. They use power to apply forces and control movement to perform an intended action.Here are some simple machines which we use in our daily life. Identify and write their names with the help of the picture clues. 1.A wheel with a groove along its edge, where a rope or cable can be placed..............................................2.A plane surface set at an angle to another surface. .............................................3.A double-inclined plane (both sides are inclined) that moves to exert a force along the lengths of the sides. .............................................4.A circular device that is attached to a rigid bar in its centre. A force applied to the wheel causes the axle to rotate..............................................5.A shaft that has an inclined groove along its surface. .............................................6.A simple machine that consists of a rigid object and a fulcrum. .............................................Simple Machines24Whenever you pick up any heavy thing, your elbow acts as the fulcrum of the lever, and your arm bone acts as the lever itself.File-O-FactPulleyWedgeWheelInclined PlaneLeverScrewPicture Clues35
                                
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