Vocabulary1
Vocabulary2
Workin' with Data1
Workin' with Data2
Bonus Stuff
100
If an object changes position compared to a reference point, we say that the object is in _____.
motion
100
The unit we use to describe force is _______. We abbreviate it with the letter _____.
newton
N
100
What is the net force acting on the cart? (Be sure to include the direction.)
50N
right
100
A car travels 55 miles in one hour. What is the car's average speed?
55 miles per hour
100
When Mr. Velasco takes over the world, one of his first orders of business will be to require that everyone uses the _____ system.
metric
200
An object that appears to stay in one place when compared to another object is called a _____.
reference point
200
The sum of all of the forces acting on an object is called the _____.
net force
200
What is the net force acting on the cart?
50N
left
200
It took 4 hours for a train to travel 120 kilometers. What is the train's average speed?
30 kilometers per hour
200
When Mr. Platt takes over the world (after Mr. Velasco has stepped down from his title as "Emperor of the World") all teachers will be required to wear shirt and _____ every day.
tie
300
The rate at which an object moves is called its _____.
speed
300
An object has an unbalanced force acting on it.
The net force is _____.
This unbalanced force will cause the object to _____. (accelerate / not accelerate)
anything other than 0
accelerate
300
The robot is pushing with 100 N of force. Why isn't the box moving?
Friction is pushing in the opposite direction with 100N.
300
An airplane traveled at a velocity of 4,500 miles east for 9 hours. What is the airplane's average velocity?
500 miles per hour EAST
300
One newton is equal to _____ pounds.
0.225
400
When we describe the rate at which an object moves, along with the direction in which it moves, we're describing that object's ______.
velocity
400
An object has a balanced force acting on it.
The net force is _____.
This balanced force will cause the object to _____. (accelerate / not accelerate)
0
not accelerate
400
The robot is pushing with a force of 300N to the right. The friction between the boxes and the ground is 183N. What is the net force?
117N to the right
400
An airplane traveled 4,200 kilometers west in 7 hours. What is the airplane's average velocity?
600 kilometers per hour WEST
400
What can you say to make the cashier at McDonald's look at you like you're crazy? (There are many possible answers here, but your answer should be science based.)
"I'd like a one-newtoner with cheese, please."
500
When we describe a change in the rate at which an object moves and/or a change in the object's direction, we're describing the object's _____.
acceleration
500
A force is a push or a pull. All forces have _____ and _____.
size
direction
500
Now that the robot is no longer pushing on the skateboard, it will slow down and eventually stop. Why?
The force of friction will cause it to stop.
500
A boat is traveling west at 3 km/hr when it passes under a bridge. Two hours later its velocity is 8 km/hr west. What was the boat's average acceleration?
2.5 km/h/h