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17 Cards in this Set
- Front
- Back
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contact force |
a force exerted during contact between objects |
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electric charge |
a fundamental property that leads to the electromagnetic interactions among particles that makes up matter |
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electrical conductor |
a material in which charges can move freely |
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electrical insulator |
a material in which charges cannot move freely |
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electromagnet |
a coil that has a soft iron core and that acts as a magnet when an electric current is in the coil |
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electromagnetism |
the interaction between electricity and magnetism |
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feild |
any region in which a phisical force has an effect |
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free fall |
the motion of the body when onlythe force of gravity is acting on the body |
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kinetic energy |
the energy of an object that is due to the objects motion |
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magnet |
any material that attracts iron or materials containing iron |
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magnetic feild |
a region where a magnetic force can be detected |
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mechanicle energy |
the sum of an objects kinetic energy and potential energy due to gravity or elastic deformation; does not include chemical or nuclear energy |
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non contact force |
a force applied to an object by another body that is not in direct contact with it |
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orbit |
the path that a body follows as it travels around another body in space |
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potential energy |
the energy that an object has because of the position, condition, or chemical composition of the object |
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semiconductor |
an element or compound that conducts electric current better than an insulator does but not as well as a conductor does |
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static electricity |
electric charge at rest; generally produced by friction or induction |
