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almost maine script > Physics Quiz > Flashcards

Physics Quiz Flashcards

1
Q

Force (F)

A

an interaction between two different objects that results in a push or a pull

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2
Q

Forces can cause… (3)

A
  1. a stationary object to move
  2. an object moving to stop
  3. moving object to change direction
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3
Q

two categories of forces

A

contact forces and field/long range forces

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4
Q

long range forces

A

forces that do not involve physical contact between two objects

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5
Q

contact forces

A

forces that result from physical contact between two objects

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6
Q

Gravitational Force

A

Fg

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7
Q

Magnetic force

A

FM

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8
Q

Electrostatic Force

A

Fe

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9
Q

Spring Force

A

Fsp

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10
Q

Tension Force

A

FT

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11
Q

Friction Force

A

Kinetic Friction (Ffk), Static Friction (Ffs)

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12
Q

Gravitational Force (Fg)

A
  • a force which hold you to the surface of Earth
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13
Q

Magnetic Force (FM)

A

-non contact

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14
Q

Electrostatic Force (Fe)

A

-non contact

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15
Q

Spring Force (Fsp)

A
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16
Q

Tension Force (FT)

A

-occurs with ropes, chains, strings, etc.
-only a pull

17
Q

Kinetic Friction Force (Ffk)

A

-friction that acts to slow down an object in motion
-sliding friction
-resistance force

18
Q

Static Friction (Ffs)

A
  • fiction that acts when an object is “on the verge” of motion
    -Prevents object from moving
    -not moving but you can see that it could/ would move
19
Q

Centripetal Net Force

A

FNetc

20
Q

Centripetal net force (FNetc)

A

the net (total) force directed toward the center of an object’s circular path

21
Q

Tangential Velocity

A

VT

22
Q

Tangential Velocity (VT)

A

velocity at the line tangent to the circular path
(think straight line out of circle

23
Q

Centripetal Acceleration

A

(ac)

24
Q

Centripetal Acceleration (ac)

A

acceleration directed towards the center of a circular path

25
Q

Inertia

A

The tendency of an object to resist being moved or if already in motion to resist a change in speed or direction

26
Q

Issac Newton’s First Law

A

a body at rest remains at rest. A body and motion remains in motion in a straight line at a constant speed unless acted upon by an unbalanced force

27
Q

Law of Inertia

A

-Objects continue to move by themselves
-a force is needed to overcome friction and to set an object in motion initially

28
Q

How do we measure inertia?

A

Mass: the about of matter in an object, different from weight

29
Q

Normal Force

A

FN

30
Q

Normal Force (FN)

A

A force that acts on a surface in a direction perpendicular to the surface
-molecules in a solid move
-equal force from both objects

31
Q

Applied Force

A

(Fa)

32
Q

Applied Force (Fa)

A

used when talking about people or unknown forces being applied

almost maine script (5 decks)

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