Physics Linear Motion Study Guide

Symbol: Name: Unit:

V velocity m/s

d distance meters

t time seconds

df distance final meters

do distance initial meters

Δ delta change in

measures volume liters

measures distance meters

measures mass grams

VOCAB

Speed: how fast something moves the distance an object moves divided by the time it takes. scalar quantity
Velocity: the speed of an object and its direction of motion, vector quality
Acceleration: a rate at which an objects velocity changes with time, vector movements
Instantaneous Speed/Velocity: speed at the point of time
Slope of a graph: rise/run, slope of d vs t graph= velocity and direction of the object
Rest/Stop: when line of graph is flat
Deceleration: opposite of acceleration
Scalar: quantity in physics, such as mass, volume, and time, that can be completely specified by tis magnitude and has no direction
Vector: quantity in physics that has math magnitude and direction, examples are force velocity, and acceleration, represented by arrow
Displacement: distance from starting point velocity= displacement/time
Resultant: the combined effect of two or more component vectors acting at same point
Distance Scalar Measurement: the total amount of distance traveled, no direction.
Magnitude: the total amount of a distance represented by vector or arrow
Perpendicular: when two vector measurements are at 90 degrees to each other making a right triangle. One is North/West and the other could be South/East Solve = a^2 + b^2=c^2

QUESTIONS

Which of the following is Vector measurement? Displacement or Distance?
Which of the following is Vector measurement? average velocity or average speed?
What symbol is used to represent a Vector measurement? A: arrow
What two things does a vector measurement and this symbol have in common? A: magnitude and direction
What does the length of the v symbol represent? A: magnitude/ amount
If you are going around a curve at a constant rate of 85m/s, which of the following are changing and why?
What is the slope of a distance vs time graph “REALLY” equal to?: A:velocity and direction
What is the slope of a velocity vs time graph “REALLY” equal to?: A:acceleration

Other