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14 Cards in this Set
- Front
- Back
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What are basic mechanics?
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Newtonian mechanics
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What are nano-mechanics?
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Quantum mechanics
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What is Newton's First Law?
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an object at rest stays at rest, and an object in motion stays in motion, unless an outside force acts upon it
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What is Newton's Second Law?
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force equals mass times acceleration
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What is Newton's Third Law?
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for every action, there is an equal and opposite reaction
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Mass is _______, while weight ______.
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constant, changes
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weight
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the force gravity is pulling on an object
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mass
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how much stuff an object is made of
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applied force
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any push or pull on an object
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net force
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the overall force on an object
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If there is no _________, the net force must be zero.
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acceleration
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friction
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the opposite of movement between two surfaces
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What are two things that affect friction?
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force and the surfaces of the materials involved
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Friction makes it harder to...
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accelerate.
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