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7 Cards in this Set
- Front
- Back
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What is a force? |
A push or pull that acts on an object. |
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What can forces do? |
Can change the motion of an object and change the shape of an object |
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What is a action at a distance force? |
A force from a distance |
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3 types of action at a distance forces |
Gravitation (attraction between masses) electrostatic, (force between charged objects) magnetic (acts on certain metals) |
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What is a contact force? |
Tension (force in a wire or rope) Friction (slows down motion) Elastic (spring like object restores itself to normal shape |
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What is mass measured in? |
Kilograms |
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3 facts about mass |
Mass is measured using a balance scale Mass is the same regardless of gravity Mass does not depend upon the amount of gravity |
