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| the branch of mechanics that describes "how" things move |
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| the branch of mechanics that describes "why" things move |
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| a system of reference points from which the position and motion of an object can be determined |
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| change in position of an object |
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| the rate at which an object changes position |
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| the distance traveled by an object divided by the elapsed time |
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| the rate at which an object changes position in a specified direction |
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| quantities that express magnitude and direction |
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| quantities that express magnitude and direction |
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| the rate at which velocity increases in a given amount of time |
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| the property of matter that causes objects to resist change in the state of motion |
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| the meteric unit of weight |
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| Action-Reaction Principle |
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Definition
| When a mass exerts force upon another mass, the second mass exerts an equal and opposite force upon the first mass. -Newton's Third Law of Motion="for every action there is an opposite and equal reaction" |
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| the attraction that any object in the universe has toward other objects in the universe |
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| Attraction-at-a-Distance Forces |
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| forces that act on an object without touching it |
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| the limit of the velocity at which an object can fall through a gas or a liquid |
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| the measure of the force of gravity on an object |
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| Universal Law of Gravitation |
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Definition
| F=G(m1xm2/d squared) m1 and m2 are the masses of two objects, d=the distance between them and G=universal gravitation constant |
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| celestial bodies in orbit around another celestial body |
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| a satellite is orbitting the earth as the same period as the surface of the earth below |
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| What is velocity measured in? |
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Definition
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| What is distance measured in? |
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| What is the unit for Force? |
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| What is weight measured in? |
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| What is the difference between Velocity and Speed? |
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| Velocity is a vector and Speed is a scalar |
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| What is Newtons 1st Law of Motion? |
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Definition
| Objects at rest tend to remain at rest, and objects in motion tend to stay in motion until acted upon bu some outside force |
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| What is Newton's 2nd Law of Motion? |
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| What is Newton's 3rd Law of Motion? |
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| For every action, there is an equal and opposite reaction |
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