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Force & Fields
Term | Definition |
---|---|
Force | The capacity to do work or cause physical change; energy |
Contact Force | Force applied to an object by another body that is in contact with it. |
Noncontact Force | Force applied to an object by another body that is not in contact with it. |
Field Model | be used to explain how two objects can exert forces on each other without touching. |
Electric Field | exists around objects with charge. |
Magnetic Field | around objects with charge. |
Gravitational field | exist around objects with mass |
Mass | Mass is a measure of the number of atoms in an object combined with the density of those atoms |
Weight | object is the force of gravity on the object |
Electricity | a flow of charged particles |
Electric Motors | convert electrical energy into mechanical energy. |
Generators | convert mechanical energy into electrical energy. |