lesson 3: how are work and motion related?
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Lesson 3: How are work and Motion related?. Lesson 3: How are work and Motion related ?. Work – the result of a force MOVING an object . Lesson 3: How are work and Motion related?. When you push or pull something and it moves you have done work. Lesson 3: How are work and Motion related?. - PowerPoint PPT PresentationTRANSCRIPT
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Lesson 3: How are work and Motion related?
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Lesson 3: How are work and Motion related?
Work – the result of a force MOVING an object.
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Lesson 3: How are work and Motion related?
When you push or pull something and it moves you have done work.
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Lesson 3: How are work and Motion related?
If you push or pull on something and it does not move you have not done work.
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Lesson 3: How are work and Motion related?
Simple Machine – a machine made of one or two parts.
Simple Machines make work easier.
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Types of Simple Machines
Inclined PlaneA flat surface with one side higher than the other. (a ramp)
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Types of Simple Machines
Wheel and AxleA wheel attached to a rod.
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Types of Simple Machines
WedgeA simple machine with slanted sides.
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Types of Simple Machines
LeverA stiff bar that rests on a support called a fulcrum which lifts or moves loads. (the longer your lever the easier the lift)
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Types of Simple Machines
ScrewAn incline plane wrapped around a rod.
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Types of Simple Machines
Pulley A simple machine that uses a rope and a wheel to move an object. (The more pulleys, the longer the rope, the easier it is to pull)
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Lesson 3: How are work and Motion related?
Compound Machine - a machine made of two or more simple machine.
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Lesson 3: How are work and Motion related?
Complex Machine - a machine made up of many compound and complex machines.