Newton's Law-Princeton AP Physics I

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12 Terms

1
Pulleys
devices that change the direction of the tension force in the cords that slide over them.
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2
magnitude
Forces are represented by vectors; with ________ and direction.
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3
forces
interaction between two bodies, a push or a pull
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4
Newton’s first law
an object with continue in its state of motion unless compelled to change by a force impressed upon it
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5
Law of Inertia
property of objects, their natural resistance to changes in their state of motion (measured in mass)
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6
Newton’s Second Law
predicts what will happen when an unbalanced force does act on an object
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7
Newton’s third law
to every action, there is an equal, but opposite reaction
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8
Normal force
the component of the contact force that’s perpendicular to the surface
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9
Friction force
The component of the contact force that’s parallel to the surface
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10
Static friction
results from the weak electrostatic bonds formed between the surfaces when the object is at rest
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11
Kinetic (sliding) friction
less than the static friction force
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12
inclined plane
also known as a ramp, is a flat supporting surface tilted at an angle, with one end higher than the other.
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