WHAT IS A SIMPLE MACHINE?
- A machine is a system that changes the relationship between effort (the force applied) and load (the weight lifted or moved)
- Machines make our lives easier.
- Machine help us to lift,push,pull,turn,cut and join things.
- Wheels,rollers,levers,gears and pulleys. All make it easier to move a heavy load by reducing friction or magnifying forces.
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