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Definition
| Distance divided by time (D/t) |
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| Speed of an object and specification of its direction (D/t) |
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| The rate at which velocity changes with time (TRIANGLEv/t) |
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Definition
| A quantity having both magnitude and direction |
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Definition
| A quantity with only magnitude |
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Definition
| The study of moving objects |
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| The velocity of a body remains constant unless the body is acted upon by an external force (inertia) |
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Definition
| The acceleration a of a body is directly proportional to the net force F and inversely proportional to the mass m (F=ma) |
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Definition
| The mutual forces of action and reaction between two bodies are equal and opposite |
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Definition
| An influence which can cause an object to be accelerated (F=ma) |
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| The SI unit of force 1 Newton(N)=force to move 1kg 1m/s2 |
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Definition
| The product of a force acting on a product and the time during which it acts (I=Ft) |
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Definition
| Mass of an object times the velocity (M=mv) |
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Term
| Universal Law of Gravitation |
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Definition
| Every mass in the universe attracts every other mass with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them |
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Definition
| The energy an object has because of its position, i.e. a ball at the top of a hill |
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Definition
| The energy an object has because of its movement, i.e. a ball rolling down a hill |
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Term
| Law of Conservation of Energy |
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Definition
| The total amount of energy in an isolated system remains constant over time |
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Definition
| A disturbance propagated through a material or empty space |
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Definition
| The return of waves off an object with which they collide |
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Definition
| The bending of waves as they pass through different mediums, cause by a difference in wave speed |
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Definition
| The bending of a wave as it passes around an object or through a narrow slit |
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| A wave in which the medium vibrates in a direction perpendicular to the direction it travels |
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| A wave which vibrates parallel to the direction it travels |
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Definition
| The highest point of a wave |
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Definition
| The maximum displacement on either side of the midpoint position of a wave |
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Definition
| The distance between successive identical parts of a wave |
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Definition
| The speed with which waves pass a particular point (Speed=Frequency x Wavelength) |
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Definition
| The number of vibrations per unit time in a wave |
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Definition
| The angle of reflection of a wave will always equal the angle of incidence |
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Definition
| Waves created by vibrations in the air |
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Definition
| A sound wave reflecting off an object and returning to its original position |
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Definition
| Sounds higher with a higher frequency than a human is able to hear |
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