Motion
Uniform Motion
Slope
Average Velocity
Conversions
100
Give an example of a scalar.
ex: time, distance, speed
100
Describe a graph of an object moving uniformly
A straight line.
100
What kind of line represents an object at rest.
Horizontal line
100
Define average velocity.
The rate of change in position for a time interval.
100
How many metres in 7.8 km?
7800 m
200
Give an example of a vector.
ex: displacement, velocity
200
Describe a motion diagram for a ball moving in uniform motion.
You see the object spaced out evenly in the direction of motion.
200
What produces a positive slope on a Position vs Time graph?
Motion in a positive direction
200
What is the formula for displacement?
d = v x t
200
How many seconds are in 45 minutes?
2700 seconds
300
What is the SI unit for distance?
metre, m
300
What do you use to represent your data when you analyze the motion of an object?
Position time graph.
300
What produces a negative slope on a Position vs Time graph?
Motion in a negative direction
300
What is the formula to find the time interval?
t = d / v
300
How many km in 457 m?
0.457 km
400
What is the name of the symbol that represents a difference, or change?
The Greek letter, Delta
400
What is the relationship between distance and time for an object in uniform motion?
The object goes the same distance over ever time interval.
400
A person walks north to their school, stays at their school for 6 hours, then returns home. Describe the shape of the position-time graph.
A positive slope, then a horizontal line, then a negative slope
400
How can you find the average velocity from a position-time graph?
slope
400
How many seconds are in 4.5 days?
388800 seconds
500
What are the standard directions that represent negative in vectors?
South/West; Down/Left
500
What does a best fit line represent?
The general shape of the data.
500
A person walks west to school, then part way, remembers they forgot their homework at home. They return home, have another snack, then go back to school. They stay at school until the end of the day, then go further west to 7/11 with friends and hang out for a bit. Then they go home.
+ slope, - slope, horizontal line, + slope, horizontal line, + slope, horizontal line, - slope
500
What's the average velocity of a dog that runs 35 m south in 4.5 seconds?
7.8 m/s south
500
Convert 85 km/h to m/s.
23.6 m/s
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