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Physics Regular- Perella Period 5

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inertia

the resistance of change in an object

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inertia is related to

the amount of mass in an object

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the more mass you have the more

inertia you have

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force can change an object's

acceleration, decceleration, direction

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net force

the sum of all the forces acting on an object

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when an object is in constant motion the net force is

0

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and object with more mass/inertia needs more _____ to change its acceleration, decceleration, or direction.

force

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the amount of force in an object is directly proportional to its

acceleration

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newton second law relates

the net force, mass, and acceleration of an object

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free fall

when gravity is the only force acting on an object

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an object with more surface area has more

air resistance

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air resistance

a force acting against gravity causing an object to deccelerate

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terminal velocity

when the net force of an object is 0 and the object is in constant speed

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acceleration due to gravity is

9.8 m/s/s

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force due to gravity is an object's

weight

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the find the speed of a distance vs. time graph you must determine the

slope

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to find the acceleration of a speed vs. time graph you must determine

the slope

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to find the distance in a speed vs. time graph you must determine

the area under line

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the find the mass in a force vs. acceleration graph one must determine the

slope.

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↑⁻⁻↓⁻⁻↑⁻⁻↓ air resistance and gravity are equal, the object is at

terminal velocity