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Motion Review

Control Panel

Distance, Displacement, Scalar, Vector, Speed, Rate, Velocity, Acceleration, Graphing Motion

Study Mode

agorat

Define vector.

A quantity that includes both magnitude (size) and direction.
5 points

Define scalar.

A quantity that includes only magnitude (size).
5 points

How can you tell an object has moved?

The object's position changes compared to a reference frame.
10 points

Which term(s) is(are) scalar: distance, displacement, speed, rate, velocity, acceleration

distance, speed, rate
15 points

Define distance.

Total length of an object's path.
5 points

What is displacement?

An object's ending position compared to its starting point.
10 points

How quickly an object is moving at a certain time is its...

instantaneous speed
15 points

When does an object's velocity change?

speed up, slow down, change direction
15 points

What is negative acceleration?

slowing down
5 points

What is positive acceleration?

speeding up
5 points

How do you calculate average speed?

total distance divided by total time
15 points

What is the unit for speed?

m/s
10 points

What is the unit for distance?

m (km)
10 points

What is the unit for acceleration?

m/s/s
10 points

What is the unit for rate?

m/s
10 points

What is the unit for velocity?

m/s + direction
15 points

Explain why a car turning a corner at a constant speed of 20 m/s is not traveling at a constant velocity.

Because the direction of the car is changing, velocity is not constant (vector).
15 points

What does a horizontal line on a distance vs time graph represent?

motionless
10 points

What does a diagonal, straight line represent on a distance vs time graph?

constant speed
10 points

What does a curved line represent on a distance vs time graph?

non-constant speed (acceleration)
10 points

What does a horizontal line above the x axis represent on a speed vs time graph represent?

constant speed
10 points

What does a horizontal line on the x axis on a speed vs time graph represent?

motionless
10 points

What does a straight, diagonal line represent on a speed vs time graph?

constant acceleration
10 points

What does negative slope represent on a speed vs time graph?

slowing down
10 points

What does negative slope represent on a distance vs time graph?

going back to start
10 points

How do you calculate distance?

Add up all of the lengths to get a total distance.
10 points

What does "delta v" represent?

change in velocity (final velocity minus initial velocity)
15 points

Explain why rate and speed are considered the same thing.

Both divide distance by time.
10 points

Explain the motion of the object in the graph.

slow constant speed away from start, stopped, slow constant speed away from start, fast constant speed home
25 points

Calculate the speed of the object during the third section of movement

S=? D=30m T=3s S=D/T S=30m/3s S=10m/s
25 points

Describe the motion of the object using the graph.

accelerating quickly, constant speed, slow acceleration, slow deceleration
25 points

Describe the acceleration of the object using each section of the graph

positive, zero, positive, negative
20 points

Explain the difference between speed and acceleration.

Speed only considers the distance and object moves in a given time, which acceleration includes how quickly the speed is changing in a given time with direction
20 points

Draw a graph for a person who walks up a hill at a constant speed, across the top, and down the other side.

See Graph on Board
25 points

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Separate students into teams.

Teams take turns choosing random questions.

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Teams take turns choosing random questions.

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