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17 Cards in this Set
- Front
- Back
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What are three things that can occur when something accelerates? |
Speed up, Slow down, and Change direction. |
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What is friction? |
Two objects rubbing against each other causing heat. |
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Name three types of friction and give examples of each. |
Sliding-when two objects slide past each other. Rolling- anything that has wheels or a round surface. Fluid friction- liquid or gas, air resistance, swimming |
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What is the formula and unit for Force. |
F=ma F=Newtons |
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What is the formula and unit for Speed. |
S=d/t All units can vary |
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What is the formula and unit for Velocity. |
V=d/t ‘direction’ |
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What is mass |
The amount of matter in and object |
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What is Weight |
A measure of the amount of gravity in an object |
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What is the law of universal gravitation |
Gravity |
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What is constant speed |
Speed that does not change |
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What is average speed |
Total distance/total time. S=d/t |
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What is velocity |
Speed in a given direction |
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What is acceleration |
A change in velocity over time |
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What is Newton’s first law |
An object at rest/motion will stay at rest/motion |
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What is newtons second law |
Force equals mass times acceleration-F=ma |
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What is Newton’s third law. |
For every action there is an equal and opposite reaction. |
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What is the metric number line |
K h da b d c milli L M G |
