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6 Cards in this Set
- Front
- Back
what is buoyancy? |
A measure of the upward force a fluid exerts on an object that is immersed |
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what is gravity? |
A pull towards the center of the Earth |
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What is the difference between mass and weight? |
mass stays the same anywhere, while weight changes as you go on different planets. |
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what three factors the force of gravity (weight)? |
*object's mass *planet's mass *distance from center of planet |
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what is friction? |
A force that resists the motion of objects |
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what is centripetal force? |
Any force that causes an object to move in a circle. |