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Forces and Motion
Unit 3 Science
Question | Answer |
---|---|
Location of an object | Position |
Changes in velocity over time | Aceleration |
The rate at which an object’s position is changing over time | Speed |
Any change in position | Motion |
Tendency of an object to resist a change in motion | Inertia |
Measurement of an object’s speed and direction of motion | Velocity |
A “frame” from which you can measure position or motion | Reference |
Mass times velocity | Momentum |
I am the word that scientists use for a push or a pull. What am I? | Force |
I am the force that sometimes makes sliding difficult. What am I? | Friction |
I am a force whose effect is offset by other forces so I won’t change your motion. What type of force am I? | Balanced |
I am a force whose effect is not offset. So I change your motion in some way. What type of force am I? | Unbalanced |
I am a force that slows down objects that are moving through the air. What am I? | Air resistance |
I am a force that pushes an airplane forward. What am I? | Thrust |
I am the tendency of an object in motion to stay in motion. What am I? | Inertia |