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Physical Sciences > Definitions > Flashcards

Definitions Flashcards

1
Q

A contact force

A

a contact force is a force that exists

in objects that are in contact with eachother

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2
Q

applied force

A

is a force that is applied to an object by a person or another object

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3
Q

normal force

A

is also known as surface force, had the ability to match force and not exert it

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4
Q

surface force is ALWAYS

A

perpendicular to the surface

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5
Q

frictional force

A

a contact force that is always opposite the direction of motion

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6
Q

non contact force

A

also known as a field force, forces that are exerted on 2 or more objects over a distance

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7
Q

magnetic force

A

a force that magnets exert on eachother either attraction or repulsion

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8
Q

electrostatic force

A

a force exerted between two chargers (over a distance)

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9
Q

gravitational force

A

force if earth on an object on/near its surface

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10
Q

normal force =

A

weight

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11
Q

resultant force

A

a so for force that has the same effect of all forces acting on a object

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12
Q

weight is a what force

A

a pull force

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13
Q

Group 1

A

Alcheline Metals

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14
Q

Group 2

A

Alcheline earth metals

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15
Q

everything between the bottom ones thingy

A

transitional elements/metals

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16
Q

Group 17

A

Halogens

17
Q

sublimation

A

straight from solid to gas

18
Q

vector

A

a vector is a physical quantity that has size and direction and is measured in newtons

19
Q

scalar

A

is a physical quantity that only has magnitude and does not depend on direction

20
Q

force

A

a push or pull factor that acts in a certain direction

21
Q

weight

A

a force that the earth exerts on an object on or near its surface

22
Q

mass

A

the amount of matter an object holds (the mass of an object is constant throughout)

23
Q

atom

A

bye away particle of a chemical element that can exist

24
Q

element

A

a pure substance made up of only one kind of atom

25
Q

a compound

A

a pure substance made of two or more different elements chemically bonded

26
Q

a molecule

A

a pure substance made of two or more atoms chemically bonded

27
Q

what are the effects of force

A

motion
distortion
direction
rotation

Physical Sciences (19 decks)

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