Term
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Definition
| Energy used to move an object a certain distance using force. |
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Term
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Definition
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Term
| Law of Conservation of Energy |
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Definition
| Energy is neither lost nor gained. |
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Term
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Definition
| The rate at which work is done. |
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Term
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Definition
| S.I.Unit of power measurement. |
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Term
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Definition
| A unit of power for measurement |
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Term
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Definition
| A device that makes work easier. |
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Term
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Definition
| The force you apply to a machine. |
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Term
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Definition
| The force the machine exerts on an object. |
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Term
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Definition
| A number that represents the number of times the input force is multiplied. |
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Term
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Definition
| A measurement of how close the machine's output is to its input. |
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Definition
| Expressed as a percentage. |
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Term
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Definition
| Efficiency(%)= Output work (Joules)/Input Work(Joules)x 100% |
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Term
| Higher the percentage = Higher the efficiency |
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Definition
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Term
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Definition
Incline Plane
Wedge
Screw
Lever
Wheel and Axle
Pulley |
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Term
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Definition
A ramp or sloped surface.
Example: Skateboard Ramp |
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Term
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Definition
A double incline plane that moves and does work.
Example: Shovel |
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Term
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Definition
A machine that turns rotating motion into linear motion.
Example: Screw |
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Term
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Definition
A machine that consists of a rigid bar that rotates or pivots at a fixed point.
Example: See Saw |
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Term
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Definition
A machine that consists of two circular cylindrical objects fastened together around a common axis.
Example: Bicycle Wheel |
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Term
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Definition
A machine that consists of a cable or rope running through a grooved wheel.
Example: Bicycle Chain |
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Term
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Definition
A pulley that is attached to something that does not move.
Example:Well |
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Term
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Definition
A pulley that is attached to the object being moved.
Example: Zip Line |
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Term
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Definition
A lever that has the fulcrum between the input and output forces.
Example: Crow Bar
MA= 1, <1 or >1 |
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Term
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Definition
A lever that has the output forces between the input and the fulcrum.
Example: Wheel Barrel
MA= >1 |
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Term
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Definition
A lever that has the input force between the output and fulcrum.
Example: Fishing Pole
MA= <1 |
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Term
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Definition
Two or more simple machines combined.
Example: Bicycle |
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Term
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Definition
Two or more pulleys to lift heavy loads.
Example: Crane |
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