difference between distance and displacement, one has direction the other does not, a vector must have direction and..., magnitude, average velocity is a change in ? per unit time, position, acceleration is defined as a change in ? divided by time, velocity, symbol for the coefficient of friction, meu, arrows in a free body diagram show, individual forces acting on an object, newtons, units of weight, Newton's 3rd Law, when two objects collide the apply equal and opposite forces to each other, Weight, name of force pulling a stone down as it falls, Normal force, name of force that a surface applies to an object resting on it, Which two values may be used together to calculate an impluse, a change in force and a change in time, direction an object resting on earth's mass points, toward the center of the earth, elastic collision, two separate objects collide and then bounce apart , during a collision problem an object moving left has a , negative velocity, an object at rest has, a velocity of zero, distance, total distance traveled, displacement, how far you are from the start, vector is made of, direction and magnitude, what is scalar, speed/number without direction, acceleration, slope on velocity time graph, name of two combined vectors, resultant vector, flat line on a position time graph= , velocity= zero, mass is measured in, kilograms, f/force= , newtons, slope downward, negative slope, force units, newtons x seconds, impulse =, Change in momentum- force x time (ft)= mvf-mvo , letter used to represent momentum, P, equation used to calculate momentum, P=mv.

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