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# Physics and Math Voc

TermDefinition
Gravity The force which attracts objects towards one another, especially the force that makes things fall to the ground
Newton's first law often called the law of inertia: objects at rest will remain at rest unless acted upon by a force or object, and an object moving at a constant speed will continue to move at that speed unless acted upon by a force or object.
Newton's second law states that the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object.
Newton's third law states for every action, there is an equal and opposite reaction.
Second law formula Force=mass*acceleration
Acceleration The rate at which the velocity of an object changes over time.
Force Any interaction which tends to change the motion of an object. Force is a push or pull upon an object resulting from the object's interaction with another object.
Speed How fast an object is moving.
Elasticity The tendency of solid materials to return to their original shape after being deformed. If the material is elastic, the object will return to its initial shape and size when these forces are removed.
Trajectory The path described by a projectile flying or an object moving under the action of given forces.
Terminal Velocity The maximum velocity attainable, especially by a freely falling body, under given conditions. Also known as terminal speed.
Sound Waves The form that sound takes when it passes through air, water, etc.
Light Waves Spectrum of wavelengths that you can see. Each wavelength is sensed as a color. The basic colors in the spectrum are: (also colors of the rainbow)
Colors of a spectrum Violet, Index, Blue, Green, Yellow, Orange, and Red
Speed formula distance divided by time
Velocity similar to speed, but it has direction. When evaluating the velocity of an object, one must keep track of direction.
formula of velocity measuring average speed per direction (A is 10 m/s E, V is 20 m/s SE, and C is 15 m/s NE)
Acceleration an expression of the change in the velocity of an object
formula for acceleration the change in velocity and divide that by the time taken to change the velocity.
Newton's Laws of Motion were invented by the famous English mathematician, physicist and astronomer Sir Isaac Newton.
formula for speed distance divided by time
Created by: sabish.shrestha