Equations to memorize For an inclined plane FN

Equations to memorize For an inclined plane, FN is equal to Fg┴=Fgcosθ=mg(cosθ)

Equations to memorize For an inclined plane, Fg. II is equal to Fg. II=Fgsinθ=mg(sinθ)

Equations to memorize For a force applied at an angle, the horizontal (or force parallel to the surface) equals FAX=FAcosθ

Equations to memorize The equation for the circumference of a circle C=2πr

Equations to memorize Equation for centripetal force (combined version not on Ref Table)

Equations to memorize Equation for change in momentum = impulse (long version of Newton’s Second Law) Fnett=mΔv

Equations to memorize Angle of a resultant given horizontal and vertical components -1 Θ=tan (A /A ) y x

Equations to memorize Equation for slope Slope = (Δy/Δx)

Equations to memorize Equation for area of a sloped (triangle) graph Area = 1/2 bh or [(x-value)(y-value)]/2

Equations to memorize Equation for area of a straight line (rectangular) graph Area = bh or (x-value)(y-value)

Equations to memorize Equation for Fs when a mass is applied vertically Fs=Fg=mg (or kx=mg)

Name the type of relationship represented by the graph Inverse or inverse square

Name the type of relationship represented by the graph Direct

Name the type of relationship represented by the graph Direct Square

Vocabulary or concept A quantity in which both direction and magnitude are important Vector

Vocabulary or Concept Another word for mass Inertia

Vocabulary or Concept Mass x velocity = Momentum or impulse

Vocabulary or Concept The area where an object feels the force of another object with the same fundamental force carrier Field

Vocabulary or Concept The word for the “size” of a measurement Magnitude

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?

Vocabulary or Concept Term for the sum of two vector quantities Resultant

Vocabulary or Concept The term for an object that is not experiencing acceleration Constant velocity or equilibrium

Vocabulary or Concept The force causing an object to move in a circular path is always directed to The center of the circle

Vocabulary or Concept As an object moves further from the center of a planet, the mass of the object Remains the same (Fg changes)

Vocabulary or Concept For an object moving in a circle, at any point the velocity is directed Tangent to the circle

Vocabulary or Concept Centripetal acceleration is directed To the center of the circle

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

Vocabulary or Concept For an object in motion, the _______ coefficient of friction must be used kinetic

Vocabulary or Concept The gravitational force is always attractive

Vocabulary or Concept The normal force is the force from a surface that always points Perpendicular to the surface

Vocabulary or Concept Net Force always agrees with acceleration

Vocabulary or Concept If acceleration is constant, Fnet will be Constant (uniform)

Vocabulary or Concept During a collision the momentum of the system before the event always equals Momentum after

Vocabulary or Concept For any given change in momentum an increase in time will cause Fnet to decrease

Vocabulary or Concept The rate in change of momentum is known as

STATE VARIABLE Normal Force FN

STATE VARIABLE Net force Fnet

STATE VARIABLE Spring constant k

STATE VARIABLE Coefficient of friction µ

STATE VARIABLE mass m

STATE VARIABLE Weight Fg

STATE VARIABLE Parallel component of weight Fg. II

STATE VARIABLE Change in equilibrium length of a spring x

STATE VARIABLE Spring Force Fs

STATE VARIABLE Centripetal Force Fc

STATE VARIABLE Centripetal acceleration ac

STATE VARIABLE Distance between two objects r

STATE VARIABLE Radius of circle r

STATE VARIABLE Gravitational field strength g

STATE VARIABLE Universal Gravitational constant G

STATE VARIABLE Acceleration due to gravity m

STATE VARIABLE Frictional Force Ff

STATE VARIABLE Impulse J

STATE VARIABLE Momentum p

STATE VARIABLE time t