Term
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Definition
| An object's distance towards another object is changing |
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Term
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Definition
| A place or object used for comparison to determine if something is in motion |
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Term
| International System of Units |
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Definition
| Units used to describe distance an object moves |
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Definition
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Term
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Definition
| The distance an object travels per unit of time |
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Definition
| Total distance travelled / total time |
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Definition
| The rate at which an object is moving at a given instant in time |
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Definition
| Speed in a given direction |
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Definition
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Definition
| The rate at which velocity changes |
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Definition
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Definition
| Unit used to measure force |
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Term
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Definition
| Combination of all forces acting on an object |
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Term
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Definition
| Can cause an object to start moving, stop moving, or change direction |
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Definition
| Object doesn't move, opposing forces are equal |
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Term
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Definition
| Force when two surfaces rub against each other |
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Term
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Definition
| Friction on objects that aren't moving |
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Term
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Definition
| Friction when two solid surfaces slide over each other |
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Definition
| Friction when an object rolls over a surface |
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Definition
| Friction when a solid object moves through a fluid |
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Definition
| Force that pulls objects to each other |
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Term
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Definition
| A measure of the amount of matter in an object |
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Term
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Definition
| The force of gravity on a person or object at the surface of a planet |
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Term
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Definition
| When the only force acting on an object is gravity |
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Term
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Definition
| A type of fluid friction from the air |
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Definition
| The greatest velocity an object reaches when falling |
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Term
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Definition
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Term
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Definition
| The tendency of an object to resist a change in motion |
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Term
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Definition
| A characteristic of a moving object that is related to the mass and velocity of the object |
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Term
| Law of conservation of momentum |
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Definition
| States that, in the absence of outside forces, the total momentum of objects that interact does not change |
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Term
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Definition
| Any object that orbits another object in space |
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Definition
| Any forces that causes an object to move in a circular path |
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Definition
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Definition
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Term
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Definition
| A material that can easily flow |
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Definition
| Instrument used to measure atmospheric pressure |
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Term
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Definition
| Force exerted upward on an object to make it float |
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Term
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Definition
| When force is applied to a convinced fluid, the change in pressure is transmitted equally to,all parts of the fluid |
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Term
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Definition
| Uses liquids to transmit pressure in a confined fluid |
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Term
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Definition
| States that, as the speed of a moving fluid increases, the pressure within the fluid decreases |
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Term
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Definition
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Term
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Definition
| When you exert a force on an object that causes it to move some distance |
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Term
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Definition
| Used to measure amount of work |
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Term
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Definition
| The rate at which the work is done |
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Term
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Definition
| A device that allows work do be done more easily or more effcetive |
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Term
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Definition
| The force you exert on the 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
| Input force times the input distance |
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Term
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Definition
| Output force times the output distance |
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Term
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Definition
| The number of times a machine increases a force exerted on it |
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Term
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Definition
| Compares the output work to the input work |
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Term
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Definition
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Term
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Definition
| A device that is thick at one end and tapers to a thin edge at the other end |
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Term
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Definition
| An inclined plane wrapped around a cylinder |
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Definition
| A rigid bar that is free to rotate around a point |
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Term
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Definition
| The fixed point that a lever rotates around |
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Term
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Definition
| A simple machine made of two circular or cylindrical objects fastened together that rotate around a common axis |
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Term
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Definition
| A simple machin made of a grooved wheel with a rope or cable wrapped around it |
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Term
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Definition
| A machine that utalizes two or more simple machines |
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