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A mathematical expression containing two parts, one on either side of the equals sign. 


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An equation used for the purpose of deriving a certain value or solving some practical problem. 


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A special type of quantity in which there are two components:magnitude and direction. 


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A specific quantity represented by a letter of the alphabet. 


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An expression that stands for numbers but are not specific 


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The constant "c" stands for what, and how much? 

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It stands for the speed of light and has the value of 299, 792, 000 meters per second. 


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Speed is most often given in ____ per ____, because distance is in ____ and time is in ____. 

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Meters per second, Meters, seconds 


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What is the common name for a "onevariable secondorder equation"? 

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What is the proper form for the qudratic equation? 

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Vectors are commonly used in physics to represent what three things? 

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Force, velocity and acceleration. 


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A number line is ____ ____ and they only have ____. 

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one dimentional... magnitude. 


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What are some examples of what scalars can be used for? 

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Time, Temperature, Mass... 


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How do you find the sum of two vectos geometrically? 

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You construct a parallelogram with a and b as adjacent sides; then a+b is the diagonal of this parallelogram. 


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x = v t = [ (v + vo)/2 ] t 

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x = v t = [ (v + vo)/2 ] t 


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a = Fnet / m or dv/dt = Fnet / m 

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a = Fnet / m or dv/dt = Fnet / m 


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w = area under F x curve 

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w = area under F x curve 


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Xcm = (X1m1 + X2m2 + …) / (m1+m2+…) 

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Xcm = (X1m1 + X2m2 + …) / (m1+m2+…) 


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Something that has magnitude (a number) and direction. 


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Has a magnitude (number) only. 


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Separation between an object and a referency point. 


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velocity (or speed) at that instant of time, or, it can be defined as the average velocity (or speed) over an infinitesimally short time interval (average speed and velocity are always the same value) 


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Distance/Displacement formula: 

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SI unit for speed or velocity: 

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Acceleration due to gravity: 

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Formula for final velocity: 

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Distance formula with acceleration: 

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Formula for final velocity squared: 

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V_{f}^{2} = V_{i}^{2}+2ad 


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a measure of how an object resists changes in motion; it is a measure of an object’s mass 


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An object in motion/at rest will remain in motion/at rest unless acted on by an outside force. 


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an unbalanced force (or net force, S) causes an object to accelerate; this acceleration is directly proportional to the unbalanced force and inversely proportional to the object’s mass; called the law of acceleration
a = SF / m or S F = m a 


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When one object exerts a force on another object, the second object exerts a force on the first object that is equal in magnitude, but opposite in direction; for every action, there is an equal, but opposite reaction; called the law of actionreaction 


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Universal gravitational constant: 

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G = 6.67 x 1011 N m^{2}/kg^{2} 


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Formula for the force of weight: 

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Formula for the force of friction: 

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Formula for parallel force: 

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Formula for normal force: 

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Formula for centripetal force: 

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Formula for vertical velocity: 

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Formula for horizontal velocity: 

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The formula for a period: 

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The formula for frequency: 

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The formula for centripetal acceleration: 

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the distance from the equilibrium point to the point of greatest displacement 


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Momentum, definition and formula: 

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a measure of how hard it is to stop a moving object; it is the product of the object's mass and its velocity; since velocity is a vector, momentum is a vector quantity; symbol is p and SI unit are kg m/sec. The direction of the momentum is the same as that of the velocity.
p= m v 


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Net force in relation to momentum: 

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Definition and formula for impulse: 

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a force exerted over a time interval; symbol is J and SI unit is N sec
J = F t 


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Impulse in relation to average force, mass and momentum. 

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Law of Conservation of Momentum: 

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the momentum of a closed, isolated system is constant; the sum of the initial momentum of the objects is equal to the sum of the final momentum of the objects
Σp_{i} = Σp_{f} 


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Formulas for work input, work output and efficiency in relation to work: 

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W_{i} = F_{app}d_{app}
W_{o} = F_{w}h
eff= W_{o}/W_{i} 


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Kinetic and Potential Energy formulas: 

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KE = (1/2)mv^{2}
PE = mgh 


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Ideal mechanical advantage, mechanical advantage and efficiency in relation to mechanical advantage: 

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IMA = d / h
MA = F_{w}/F_{app}
eff=MA/IMA 


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