Show:
Vocabulary
Formula Questions
Motion
Random
True/False
100
The rate at which velocity changes is called the ________
Acceleration
100
Speed equals distance divided by _______
Time
100
When you know both the speed and direction of an object's motion, you know the ________
velocity
100
The steepness of a line on a graph is called the _____
Slope
100
It is best to use a moving reference point when determining motion
False, you should use a stationary reference point
200

What is called when object has a change in position of an object in relative to a reference point?

Motion

200

What is the unit for speed?

m/s

200
An object changing directions is an example of _______
Acceleration
200

On a graph showing distance-versus-time, a horizontal line represents an object that is __________ (moving at constant speed, increasing speed, not moving at all)

Not moving at all. A horizontal line would show an object at the same distance for a period of time, therefore, it is not moving.

200
If a two cars pass each other on the road going the same speed, they have the same velocity
False, they are going different directions, which means they have different velocities
300

What is a place or or object used for comparison to determine if an object is in motion?

Reference point

300

If you know a car traveled 300 kilometers in 3 hours, you can find its __________

Average speed, 100 km/h

300

A car is slowing down as it pulled up to a red light. What is the indicating word(s) that makes you know that it is an example of acceleration? 

"Slowing Down"

300

When the car going 80 mph is stopped by another vehicle. What does your body do after?

Your body would keep moving at 80 mph.

300

What kind of force will cause an object to either stop or start moving?

An unbalance (outside) force.

400

What includes speed and direction?

Velocity

400

A baseball pitcher stands on the mound with a baseball in his hand. He winds up, and throws the ball to the catcher. The ball traveled at 94mph, as the ball is flying through the air in the Northern direction. How would you describe the "velocity" of the ball?

The ball traveled 94mph North

400

If you were trying to move a 10lb chair versus a 100lb refrigerator. Which object would have the most inertia? and why?

The 100lb refrigerator because it has the greatest mass which also means more force is needed to move it and more inertia.

400
What is the average speed of a car that travels 400 kilometers in 8 hours?
50 km/h
400

Is inertia, the resistance of change in motion including change to speed, direction or state of rest.

True.

500

What do you call the force that resists motion between two surfaces?

Friction

500

What is the unit for acceleration?

m/s^2

500

Recite all of Newton's 1st Law.

"An object in motion tends to stays in motions and an object at rest tends to stay at rest with the same speed and direction unless acted upon by an unbalanced force.”

500

100 meters per second per second is example of speed, velocity, or acceleration?

Acceleration, m/s^2

500

Rate of change in motion is Velocity.

False, speed is the rate of change in motion. Change in position in relation to the reference point.