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Physics Final Exam
Vocabulary terms that will possibly be on the final exam
| Distance | Measures the length between objects or points without regard for direction |
| Displacement | The change in position of an object |
| Velocity | Vector measurement of the rate and direction of motion |
| Acceleration | Rate at which velocity changes with time, in terms of speed and direction |
| Slope | The rise of a line over the run of a line |
| Speed | How fast an object is moving |
| Gravity | A force which tries to pull two objects towards each other |
| Vector | An object that has both magnitude and direction |
| Scalar | An object that has only magnitude and no direction |
| Force | An action that changes or maintains the motion of a body or object |
| Net Force | The vector sum of all forces that act upon an object |
| Newtons 1st Law of Motion | An object at rest stays at rest, or an object in motion remains in motion at a constant velocity unless acted on by a net external force |
| Newtons 2nd law of Motion | F=ma or net force is equal to mass times acceleration |
| Newtons 3rd Law of Motion | For every action there is an equal and opposite reaction |
| Mass | A quantity of matter within a given object |
| Weight | A measure of force that is equal to the gravitational pull of an object |
| Momentum | The quantity of motion that an object has |
| Inertia | the tendency of a body to resist a change of motion or rest |
| Impulse | A change in momentum |
| Elastic Collision | a collision in which there is no net loss in kinetic energy in the system as a result of the collision |
| Inelastic Collision | A collision in which there is a loss of kinetic energy |
| Work | Quantity of energy transferred by the force to move an object |
| Energy | The ability to do work |
| Kinetic Energy | A form of energy that an object or a particle has by reason of its motion |
| Gravitational Potential Energy | Energy stored in an object as the result of it's vertical position or height |
| Elastic Potential Energy | Energy stored as a result of applying a force to deform an elastic object |
| Law of Conservation of Energy | Energy can neither be created or destroyed |
| Power | A measure of the rate at which work is done |
| Joule | SI derived unit to measure energy or work |
| Period | Time required for one complete cycle of vibration to pass a given point |
| Frequency | Number of waves that pass a given point in one second |
| Medium | A substance that can transmit energy |
| Wave | A disturbance in a medium that carries energy without a net movement of particles |
| Infrasound | Sound which extends below the range for humans (20Hz-0.001Hz) |
| Ultrasound | Sound waves with frequencies greater than 20kHz |
| Reflection | Bouncing back of light when it strikes a smooth surface |
| Refraction | Bending of light rays when it travels from one medium to another |
| Law of Reflection | When a ray of light is reflected off a surface, the angle of incidence is equal to angle of reflection |
| Total Internal Reflection | Complete reflection of a ray of light within a medium such as water or glass from the surrounding surfaces back into the medium |
| Electromagnetic Wave | Form of radiation that travels through the universe |
| Voltage | Pressure that pushes electricity |
| Ampere | A measure of the amount of electric charge in motion per unit of time |
| Coulomb | Standard unit of electric charge in international system of units |
| Simple Circuits | Loop through which something flows or travels |
| Series Circuit | Circuit with all loads in a row |
| Parallel Circuit | Has 2 or more paths for current to flow through |
Created by:
cjh7624
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