Motion & Speed
Acceleration
Laws of Motion
Gravity
Vocabulary
100
How long will it take an airplane to go 800 miles if it is traveling at an average speed of 650 miles per hour?
What is 1.23 hours
100
The rate of change in velocity
What is acceleration
100
summarize Newton's first law of motion
What is an object at rest will stay at rest, and an object in motion will tend to remain in motion
100
The force of attraction between any two objects that have mass
What is gravity?
100
A change in position
What is motion?
200
How far can a motorcycle travel at 90 kilometers per hour in 2.5 hours?
What is 225 kilometers?
200
The driver of a car traveling 60km/hr brakes for a light and stops in 8 seconds. What is the rate of deceleration?
What is -7.5 km/hr per sec?
200
Summarize Newton's second law of motion
What is force = mass * acceleration or the amount of force needed to change the motion of an object depends on the mass of the object
200
These two things affect the pull of gravity
What is mass and distance?
200
The rate at which the position of an object changes
What is speed?
300
A car traveled 330 miles in 6 hours. What was its average speed?
What is 55 miles/hour?
300
When calculating acceleration, the reason why the result is a negative number
What is the object is decelerating?
300
Summarize Newton's third law of motion
What is for every action there is an equal and opposite reaction
300
This force reduces the acceleration of a falling object
What is air resistance?
300
A push or pull
What is force?
400
The average speed of a train going 846 miles in 9 hours
What is 94 miles/hour
400
A truck goes from a stop to 60km/hr in 35 seconds. This is its rate of acceleration
What is 1.71km/hr per second
400
A force that opposes motion and that occurs when things slide or roll over each other
What is friction?
400
When the force of the air resistance equals the object's weight, velocity no longer increases. This is called ________
What is terminal velocity?
400
The speed and direction in which an object is moving
What is velocity?
500
A car can average 52 miles/hour. This is how long it takes to go 416 miles.
What is 8 hours?
500
A bus was going 30km/hour. Six seconds later it was going 24km/hour. Name its rate of acceleration.
What is -1km/hour per second?
500
The reason why a force does not always produce a change in motion
What is there has to be an unbalanced, or net force
500
The two ideas stated in the law of universal gravitation
What is gravitational force depends on the mass of the two objects and the distance between them
500
The tendency to resist changes in motion
What is inertia
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