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  LiveWire / Teen Forums / School & Homework Connection / Viewing Topic

Science help
Replies: 3Last Post Nov. 10 10:35am by martyfrmn
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( blondy101 )


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Anyone that has science and is learning or has learned anythin bout Newtons 1st, 2nd, and 3rd law, i was gone and we have a test tommorrow and i dont get notin...please help, i tried lookin stuff up but i need examples.

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5:00 pm on Nov. 9, 2009 | Joined: Oct. 2009 | Days Active: 12
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Areola


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I. Every object in a state of uniform motion tends to remain in that state of motion unless an external force is applied to it.

II. The relationship between an object's mass m, its acceleration a, and the applied force F is F = ma. Acceleration and force are vectors (as indicated by their symbols being displayed in slant bold font); in this law the direction of the force vector is the same as the direction of the acceleration vector.

III. For every action there is an equal and opposite reaction.

That's what they are, I think you can come up with examples for them. It's quite simple.

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5:06 pm on Nov. 9, 2009 | Joined: Mar. 2009 | Days Active: 240
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Keego05


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How much explanation do you need?

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5:07 pm on Nov. 9, 2009 | Joined: Aug. 2006 | Days Active: 420
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martyfrmn


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1. In the absence of force, a body either is at rest or moves in     a straight line with constant speed.
2. A body experiencing a force F experiences an acceleration a related to F by F = ma, where m is the mass of the body. Alternatively, force is proportional to the time derivative of momentum.
3.Whenever a first body exerts a force F on a second body, the second body exerts a force −F on the first body. F and −F are equal in magnitude and opposite in direction

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10:35 am on Nov. 10, 2009 | Joined: Oct. 2009 | Days Active: 35
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