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16 Cards in this Set
- Front
- Back
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Motion
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When an object changes position over time when compared to a reference point
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Speed
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The rate at which an object moves
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Average Speed
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total distance/total time
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Acceleration
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The rate which velocity changes
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Centripetal Acceleration
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The acceleration that occurs in a circular motion
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Force
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A push or a pull
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Net Force
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The force that results from combining all forces exerted on an object
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Unbalanced Forces
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When the net force of an object is not zero
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Balanced Forces
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When the net force on an object is zero
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Friction
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The force that opposes motion between two surfaces that are touching
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Types of Frictions
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Kinetic Friction- Moving
Static Friction- Not Moving |
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Gravity
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The force of attraction between two things that are due to their masses
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The law of universal gravitation
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states that all the objects in the universe attract each other by gravitational force
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Weight and Mass are different
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Mass is the amount of matter in a object
Weight is s measure of the gravitational pull on an object |
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Velocity
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The speed of an object in a particular direction
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Combining Velocities
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When you combine two velocities you are adding them together
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