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Force, Energy, and Motion > Units > Flashcards

Units Flashcards

1
Q

Work?

A

Joule (N x M)

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2
Q

Force?

A

Newton (Kg x m/s^2)

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3
Q

Pressure?

A

Pascal (N/m^2)

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4
Q

Momentum

A

Newtons (Kg x m/s^2)

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5
Q

Acceleration

A

m/s^2

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6
Q

Speed/Velocity

A

M/s

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7
Q

Mass?

A

Kg

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8
Q

Distance/Height?

A

Meters

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9
Q

Time?

A

S

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10
Q

Area?

A

m^2

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11
Q

Gravity?

A

9.8 m/s^2

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12
Q

KE,PE, ME?

A

Joules

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13
Q

Position

A

Location of an object

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14
Q

Reference point

A

A location compared to other locations

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15
Q

Motion

A

The change in position over time

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16
Q

Speed

A

How fast and far an object moves in any given amount of time

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17
Q

Velocity

A

Speed in a specific direction

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18
Q

Vector

A

A quantity in both size and direction

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19
Q

Acceleration

A

The rate at which velocity changes in time

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20
Q

Contact Force

A

One object pushes/pulls another by touching it

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21
Q

Force

A

A push or pull

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22
Q

Gravity

A

Force of attraction between masses

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23
Q

Friction

A

A force resisting motion between two forces that are pressed together

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24
Q

Net Force

A

Overall acting force when all forces are combined

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25
Q

Balanced Force

A

Have same effect or no force at all

26
Q

Unbalanced Force

A

Can change motion of an object

27
Q

Galileo’s Experiment

A

Conducted an object will keep moving without friction acting

28
Q

Newtons First Law

A

Object at rest or in motion stays at rest or in motion unless acted upon

29
Q

Newton’s Second Law

A

Acceleration of an object increases with increased force and decreases with increased mass

30
Q

Newton’s Third Law

A

Every action has an equal or opposite reaction. (Equal in force, opposite in direction)

31
Q

Inertia

A

An object resists the change in speed or direction of its motion

32
Q

Momentum

A

Measure of a mass in motion

33
Q

Mass

A

How much matter is in an object

34
Q

Weight

A

The amount of gravity acting on an object

35
Q

Air resistance

A

Friction due to air

36
Q

Pressure

A

Measure of how much force is acting on certain areas

37
Q

Buoyant Force

A

Upward force on objects in fluids

38
Q

Bernoulli’s Principal

A

an increase in the speed of the motion of a fluid decreases the
pressure within the fluid

39
Q

Pascals Principal

A

when an outside pressure is applied at any point to a fluid in a
container, that pressure is transmitted throughout the fluid with equal strength

40
Q

Work

A

The use of force to move an object a distance

41
Q

Kinetic Energy

A

Energy of Motion

42
Q

Potential Energy

A

Energy of an object based on position and arrangement

43
Q

Mechanical Energy

A

Object possessed by an object due to it’s motion and position

44
Q

Watt

A

Measurement for Power (W)

45
Q

Horsepower

A

Based on the amount of work a horse can do in a minute

46
Q

Power?

A

Rate at which work is done

47
Q

Machine

A

Any device that helps one do work

48
Q

Mech. Advantage

A

Number of times the machine multiples the input force

49
Q

Efficiency

A

Ratio of output work to input work

50
Q

Simple Machines

A

Six machines which all other machines are based

51
Q

Lever

A

Solid bar the rotates around a fixed point (fulcrum)

52
Q

Wheel and Axle

A

Wheel attached to a shaft

53
Q

Pulley

A

Wheel with curved rim with a rope or cable riding the groove. (Fixed,movable,compound)

54
Q

Inclined Plane

A

Sloping surface

55
Q

Wedge

A

Thick and a thin end, used to cut, split, pierce, or hold objects together

56
Q

Screw

A

Curved inclined plane to create a spiral - used to raise/lower weights or fasten objects

57
Q

Compound Machine

A

A machine made up of 2+ simple machines

58
Q

Nanotechnology

A

Building electronic circuits and devices from single atoms/molecules

59
Q

Robot

A

A machine working without a remote control

60
Q

Pounds to Kg?

A

2.2Ibs -> 1 kg

Force, Energy, and Motion (5 decks)

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