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9 Cards in this Set
- Front
- Back
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What two entities comprise a vector?
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Magnitude and direction
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How are velocity and speed different?
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Velocity has a direction and speed does not have direction.
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What is the horizontal acceleration of projectiles?
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0
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Newton's 1st Law
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An object at rest will remain at rest, and a moving object will remain at a constant velocity unless unbalanced forces act on it
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Newton's 2nd Law
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Force = mass X acceleration
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Newton's 3rd Law
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For every action, there is an equal and opposite reaction
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For every force exerted by one object on another, there is another force _____ in magnitude and ________ in direction that is exerted back by the second object on the first. (Newton's 3rd law)
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equal/opposite
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What do you know about two objects that are launched at different horizontal velocities?
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They fall, vertically, the by the same amount in the same time.
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no initial value
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"dropped"
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