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13 Cards in this Set
- Front
- Back
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Definition of Force & Formula
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A force is any push or pull.Force = mass x acceleration
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Definition of Gravity
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Gravity is a force that pulls objects toward each other.
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Definition and Formula for Power
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Power is the rate at which work is done. Power is measured in watts. Power = Work / Time
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Definition and Formula for Speed |
The rate at which objects move. Speed = Distance / Time |
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Definition of Motion |
An object is in motion when it changes position over time compared to a reference point. |
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Definition of Velocity |
The speed of an object in a particular direction. |
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Definition and Formula for Acceleration |
The rate at which velocity changes. Acceleration = Final velocity - starting velocity / time |
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Definition of Inertia |
A tendency to do nothing or to remain unchanged. |
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Definition of Friction |
The force that opposes motion between two surfaces that are touching. |
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Definition and Formula for Work |
Work is done when a force causes an object to move in the direction that force is applied. Work = Force x Distance |
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What do Reference Points Do? |
They help describe the direction of the object in motion. |
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If a driver was able to travel 800 miles in 6 hours, what was his average speed? |
133.3 MPH |
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If it takes a car 30 minutes to travel 380 miles, what is its speed? |
760 MPH |
