Chapter 12 Review And Test Prep Flashcards
If an object is in a different location it has changed
Position
An object is in___________ If its position is changing.
Motion
Friction
A CONTACT force that slows down a moving object
Force
A push or pull
Speed
How fast an object changes position.
Relative position
A change in position of one object compared to another object.
Gravity
Non-contact force of _________pulls any two objects toward each other.
The non-contact force of _________pulls objects that contains iron
Magnetism
Work
If you use force to move an object you have done
The amount of force to move an object
Explain how you can tell that an object is in motion?
When an object is in motion its position changes, or it moves across a distance.
A train is moving 435 kilometers 270 mph. A plane is flying 965 km 600 mph how much faster is this plane moving than the train?
965 km
-435km
530 kilometers per hour faster.
Give an example of a simple machine and how it works?
Simple machines help us to work more easily.
-The RAMP is an INCLINED PLANE that helps us to move heavy things around.
-A PULLEY helps us pull sails up and down on sailboat.
-A KNIFE is a WEDGE that helps us cut food.
-A SCREW helps us to attach things and keep them in place.
A FERRIS WHEEL has a wheel and axle that helps the ferris wheel go around.
It helps change the objects position
Infer what would happen to a thrown baseball if gravity and air friction did not affect it?
If there was no gravity the baseball would continue going in the directions it’s thrown
What happens if you lifted two identical books ?
If I lifted two identical books I would be doing twice as much compared to lifting to only 1 book.
What ways can the relative position of an object change?
The relative position of an object can change by comparing the position of the object with the position of other objects
