Vocabulary
Motion
Forces
Forces and Motion
Time Distance Graphs
100
A push or pull on something.
What is force?
100
A change in postion
Motion
100
Friction is a force caused by___________.
What is surfaces rubbing against one another?
100
The measure of the pull of gravity on an object.
What is weight?
100
What a horizontal line on a time distance graph indicates
Stopped motion
200
Force that acts on an object when it rubs against another object or material.
What is friction?
200
In order to change the motion of objects, you would have to apply this, which is a push or a pull.
What is an unbalanced force?
200
This is the force that acts on a space shuttle as it accelerates toward Earth.
What is gravity?
200
The measure of how much matter is in an object.
What is mass?
200
A steep line indicates
faster motion
300
The measure of the amount of gravity pulling on an object.
What is weight?
300
2 ways motion can be measured or described
Direction & Time
300
Mrs. Brookshire rolled a marble across the floor to Ms. Medley. What force started the ball rolling? (balanced force, unbalanced force, gravity, friction)
What is an unbalanced force?
300
It takes more force to push Cart A across the room than Cart B. What is most likely true about Cart A?
Cart A has a greater mass
300
The x-axis always shows
time
400
The type of friction between a falling object and the air particles.
Air resistance
400
Distance รท Time
Speed
400
If an object is not moving, a force can
Make it start moving
400
The force that makes objects fall to the ground?
Gravity
400
Which lines indicate a constant speed?
Green, red, purple, yellow
500
This exists when all the forces acting on an object result in the object staying at rest or moving at a constant speed in the same direction.
What is balanced force?
500
The speed of a a car travelling 400m in 20 seconds
20 m/s
500
2 classes played tug of war, but neither team could pull the other team over. Give a statement about the forces involved in the tug-of-war between the two 5th grade classrooms. "The forces were ___________ because _______________."
What is (something like) "the forces were balanced because the teams could not pull each other over"?
500
You hit a ball with a large force. A 1st grader hits the same ball with a smaller force. Which ball goes further?
Your ball
500
What does line D indicate?
A return to the starting location