Types of Force
Patterns of Motion
Balanced vs Unbalanced
Motion
In Action
100
What is force?
A push or a pull
100
What is linear motion?
Motion that travels in a straight line.
100
If a force is balanced will it have motion?
No!
100
What is motion?
The movement of an object.
100
What force will eventually slow down a hockey puck?
Friction
200
Gravity is a type of force that ________.
pulls Gravity is a type of force that pulls.
200
The Earth turns, or does this type of motion
Rotation
200
If a force is unbalanced will it have motion?
Yes!
200
Motion happens when forces are ________?
Unbalanced
200
What is one thing in this classroom that you would need a lot of force to move?
There are a ton of answers! TV, Miss Olszak's Desk, Bookshelves are a few.
300
What force holds us to earth?
Gravity
300
This is a combination of rotation and linear motion.
Rolling
300
If I push a ball to the right and Ms. Christina pushed the ball to the left, what will happen? We are using the same amount of force.
The ball will stay put.
300
To move a soccer ball what force do I use?
I need to use applied force to move the ball. I have to make contact with it. I am not a Jedi.
300
Dropping something is a push or a pull?
It is a pull, gravity is pulling it down.
400
I use this force to push or pull something. I have to make contact for this force.
Applied Force
400
The Earth goes around the sun, what type of motion is that?
Revolution
400
Will it take a lot of applied force or a little bit of applied force for me, Miss Olszak, to move a car.
Even though Miss Olszak is very strong she will still need to use a lot of force.
400
What will cause more motion, a 10 N force or a 100 N force?
100 N, it is a stronger force.
400
What pattern of motion do I use to swing on monkey bars?
Rocking, I have to rock my body back and forth to get to the next bar.
500
This force pushes back on objects and can cause them to stop or slow down?
Friction
500
Bouncing, Rocking and Swinging are all types of this pattern of motion.
Periodical
500
I am pushing a box to the right with 10 N of force. Ms. Christina is pulling that box to the right with 10 N of force. Will the box move?
Yes. The forces are equal but they are not opposite directions. Both forces are going to the right.
500
Are we always in motion?
Yes, the earth is always spinning and revolving so we are also always moving.
500
What is the difference between revolution and rotation?
Rotation is spinning, it turns in place. Revolution follows a circle path.