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For an inclined plane, FN is equal to
Equations to memorize For an inclined plane, FN is equal to Fg┴=Fgcosθ=mg(cosθ)
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FgII=Fgsinθ=mg(sinθ)
Equations to memorize For an inclined plane, FgII is equal to FgII=Fgsinθ=mg(sinθ)
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Equations to memorize For a force applied at an angle, the horizontal (or force parallel to the surface) equals FAX=FAcosθ
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The equation for the circumference of a circle
Equations to memorize The equation for the circumference of a circle C=2πr
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Equation for centripetal force (combined version not on Ref Table)
Equations to memorize Equation for centripetal force (combined version not on Ref Table) Fc= 𝑚 𝑣 2 𝑟
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Equations to memorize Equation for change in momentum = impulse (long version of Newton’s Second Law) Fnett=mΔv
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Angle of a resultant given horizontal and vertical components
Equations to memorize Angle of a resultant given horizontal and vertical components Θ=tan-1(Ay/Ax)
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Equations to memorize Equation for slope Slope = (Δy/Δx)
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[(x-value)(y-value)]/2
Equations to memorize Equation for area of a sloped (triangle) graph Area = 1/2bh or [(x-value)(y-value)]/2
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Equation for area of a straight line (rectangular) graph
Equations to memorize Equation for area of a straight line (rectangular) graph Area = bh or (x-value)(y-value)
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Equation for Fs when a mass is applied vertically
Equations to memorize Equation for Fs when a mass is applied vertically Fs=Fg=mg (or kx=mg)
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Inverse or inverse square
Name the type of relationship represented by the graph Inverse or inverse square
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Name the type of relationship represented by the graph
Direct
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Name the type of relationship represented by the graph
Direct Square
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A quantity in which both direction and magnitude are important
Vocabulary or concept A quantity in which both direction and magnitude are important Vector
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Vocabulary or Concept Another word for mass Inertia
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Vocabulary or Concept Mass x velocity = Momentum or impulse
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Vocabulary or Concept The area where an object feels the force of another object with the same fundamental force carrier Field
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The word for the “size” of a measurement
Vocabulary or Concept The word for the “size” of a measurement Magnitude
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Vocabulary or Concept When trying to solve for an unknown force using a force diagram, what 2 questions must you answer? What axis (x, y, or II)? Is it at equilibrium?
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Term for the sum of two vector quantities
Vocabulary or Concept Term for the sum of two vector quantities Resultant
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Constant velocity or equilibrium
Vocabulary or Concept The term for an object that is not experiencing acceleration Constant velocity or equilibrium
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The center of the circle
Vocabulary or Concept The force causing an object to move in a circular path is always directed to The center of the circle
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Remains the same (Fg changes)
Vocabulary or Concept As an object moves further from the center of a planet, the mass of the object Remains the same (Fg changes)
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Vocabulary or Concept For an object moving in a circle, at any point the velocity is directed Tangent to the circle
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To the center of the circle
Vocabulary or Concept Centripetal acceleration is directed To the center of the circle
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Vocabulary or Concept To determine the force of friction on an object that is remaining at rest you must use the coefficient of ____________ friction static
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Vocabulary or Concept For an object in motion, the _____________ coefficient of friction must be used kinetic
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The gravitational force is always
Vocabulary or Concept The gravitational force is always attractive
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Perpendicular to the surface
Vocabulary or Concept The normal force is the force from a surface that always points Perpendicular to the surface
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Net Force always agrees with
Vocabulary or Concept Net Force always agrees with acceleration
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If acceleration is constant, Fnet will be
Vocabulary or Concept If acceleration is constant, Fnet will be Constant (uniform)
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Vocabulary or Concept During a collision the momentum of the system before the event always equals Momentum after
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Vocabulary or Concept For any given change in momentum an increase in time will cause Fnet to decrease
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The rate in change of momentum is known as
Vocabulary or Concept The rate in change of momentum is known as Fnet = 𝑚∆𝑣 𝑡 = ∆𝑝 𝑡
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STATE VARIABLE Normal Force FN
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STATE VARIABLE Net force Fnet
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STATE VARIABLE Spring constant k
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Coefficient of friction
STATE VARIABLE Coefficient of friction
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STATE VARIABLE mass m
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STATE VARIABLE Weight Fg
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Parallel component of weight
STATE VARIABLE Parallel component of weight FgII
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Change in equilibrium length of a spring
STATE VARIABLE Change in equilibrium length of a spring x
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STATE VARIABLE Spring Force Fs
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STATE VARIABLE Centripetal Force Fc
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Centripetal acceleration
STATE VARIABLE Centripetal acceleration ac
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Distance between two objects
STATE VARIABLE Distance between two objects r
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STATE VARIABLE Radius of circle r
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Gravitational field strength
STATE VARIABLE Gravitational field strength g
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Universal Gravitational constant
STATE VARIABLE Universal Gravitational constant G
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Acceleration due to gravity
STATE VARIABLE Acceleration due to gravity m
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STATE VARIABLE Frictional Force Ff
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STATE VARIABLE Impulse J
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STATE VARIABLE Momentum p
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STATE VARIABLE time t
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