Introduction About Simple Machine :
Any of the basic mechanical devices for applying a force, such as an inclined plane, wedge, or lever. There are 6 basic simple machines; the lever, the wheel and axle, the inclined plane, the wedge, the pulley, and the screw.To know more about Simple Machine,watch Simple Machine Video to learn more .
Type of Simple Machine:
A pulley is a simple machine that uses grooved wheels and a rope to raise, lower or move a load.
A lever is a stiff bar that rests on a support called a fulcrum which lifts or moves loads.
A wedge is an object with at least one slanting side ending in a sharp edge, which cuts material apart.
Wheel & Axle
A wheel with a rod, called an axle, through its center lifts or moves loads.
An inclined plane is a slanting surface connecting a lower level to a higher level.
A screw is an inclined plane wrapped around a pole which holds things together or lifts materials.
Work can be measured. It is measured by the amount of distance that a force moves an object. Sir Isaac Newton was a very famous scientist who had a wonderful understanding of the relationship between force and motion.The measurement is known as a Newton. It is abbreviated with a capital N. The term joule is often used to measure work as Newtons per meter. If it takes 1 Newton to move any object 1 meter, then that is equivalent to a joule.To know more about Simple Machine,watch Simple Machine Video to learn more.
Useful for CBSE, ICSE, NCERT & International Students
Grade : 5
Subject : Evs
Lesson :Force, Work and Energy
Topic: Simple Machines Video
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