energy and machines how we work and play work is... the result of force moving an object
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Energy and Energy and MachinesMachines
How We How We Work and Work and
PlayPlay
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Work is...Work is...
the result of force moving an object.
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Force is...Force is...
a push.
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Force is...Force is...
a pull.
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Two Kinds of Two Kinds of EnergyEnergy
PotentialPotentialKineticKinetic
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Potential energy Potential energy is...is...
stored energy.
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Kinetic energy Kinetic energy is...is...
energy in motion.
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Energy can be…Energy can be…
electricalelectricalmechanicalmechanicalchemicalchemical
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Electrical energy Electrical energy is...is...
a result of electricity.
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Mechanical energy Mechanical energy is...is...
the energy of moving objects.
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Chemical energy Chemical energy is...is...
is stored in matter.
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When two objects rub When two objects rub or touch, there is...or touch, there is...
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Friction will...Friction will...
slow down an slow down an object.object.
stop an object.stop an object.
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When an object is still When an object is still it tends to remain ...it tends to remain ...
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When an object is in When an object is in motion it tends to motion it tends to stay ...stay ...
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This is the property of This is the property of ......
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A simple A simple machine ...machine ...
has few or no moving parts.
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Types of Simple Types of Simple MachinesMachines
LeverLeverinclined inclined planeplane
wedgewedge
screwscrewwheel wheel and axleand axle
pulleypulley
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A compound machine A compound machine is ...is ...
a combination of two or more simple machines.