1st week Flashcards

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1
Q

is any push or pull.

A

Force

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2
Q

Force that is applied on an object through direct pushing or pulling

A

Applied force

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3
Q

Force exerted by gravity; also known as weight; mass times gravity

A

Gravitational force

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4
Q

Force that is perpendicular to the surface an object is in contact with; if there’s no surface in contact, then there’s no normal force

A

Normal force

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5
Q

Force present in springs

A

Elastic force

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6
Q

Force that is present in cables, strings, cords, and other similar materials

A

Tension force

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7
Q

Force that impedes motion, two surfaces that contact and slide against eachother

A

Frictional force

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8
Q

what are Newton’s three laws of motion?

A

Inertia, Acceleration, Action and Reaction

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9
Q

An object at rest remains at rest and an object in motion remains in motion at constant speed and in a straight line.

A

1st Law: Inertia

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10
Q

states that it is directly proportional to the force and is inversely proportional to the mass.

A

Second Law: Acceleration

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11
Q

law states that for every action (force) in nature there is an equal and opposite reaction.

A

Third law: Action and Reaction

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12
Q

Whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first.

A

Third law: Action and Reaction

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13
Q

is the support force exerted upon object that is in contact with another stable object.

A

Normal Force

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14
Q

force that is transmitted through a string, rope, cable, or wire when it is pulled tight by forces, acting from opposite ends

A

Tension force

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15
Q

force that acts between surfaces that are in contact with another

A

friction force

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16
Q

force is = to?

A

Newtons (N)

17
Q

acceleration is = to?

A

meter per second squared (m/s2)

18
Q

mass is = to?

A

kg kilograms

19
Q

what is the formula for getting the force?

A

ma (mass times acceleration)

20
Q

what is the formula for getting the mass?

A

force/acceleration ( f/a) divide

21
Q

what is the formula for getting the acceleration?

A

force/mass (f/m) divide

22
Q

a type of motion that allows an object to follow a circular path while maintaining a constant speed (e.g. ferriswheel, windmill, electricfan, carousel)

A

Uniform circular motion

23
Q

also known as center-seeking force, comes from the word centri, which means “center”.

A

Centripetal force,

24
Q

formula for getting the A c?

A

Ac = v² / r