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Force, Energy, and Motion > Units > Flashcards

Units Flashcards

(60 cards)

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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
Balanced Force
Have same effect or no force at all
26
Unbalanced Force
Can change motion of an object
27
Galileo’s Experiment
Conducted an object will keep moving without friction acting
28
Newtons First Law
Object at rest or in motion stays at rest or in motion unless acted upon
29
Newton’s Second Law
Acceleration of an object increases with increased force and decreases with increased mass
30
Newton’s Third Law
Every action has an equal or opposite reaction. (Equal in force, opposite in direction)
31
Inertia
An object resists the change in speed or direction of its motion
32
Momentum
Measure of a mass in motion
33
Mass
How much matter is in an object
34
Weight
The amount of gravity acting on an object
35
Air resistance
Friction due to air
36
Pressure
Measure of how much force is acting on certain areas
37
Buoyant Force
Upward force on objects in fluids
38
Bernoulli’s Principal
an increase in the speed of the motion of a fluid decreases the pressure within the fluid
39
Pascals Principal
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
Work
The use of force to move an object a distance
41
Kinetic Energy
Energy of Motion
42
Potential Energy
Energy of an object based on position and arrangement
43
Mechanical Energy
Object possessed by an object due to it’s motion and position
44
Watt
Measurement for Power (W)
45
Horsepower
Based on the amount of work a horse can do in a minute
46
Power?
Rate at which work is done
47
Machine
Any device that helps one do work
48
Mech. Advantage
Number of times the machine multiples the input force
49
Efficiency
Ratio of output work to input work
50
Simple Machines
Six machines which all other machines are based
51
Lever
Solid bar the rotates around a fixed point (fulcrum)
52
Wheel and Axle
Wheel attached to a shaft
53
Pulley
Wheel with curved rim with a rope or cable riding the groove. (Fixed,movable,compound)
54
Inclined Plane
Sloping surface
55
Wedge
Thick and a thin end, used to cut, split, pierce, or hold objects together
56
Screw
Curved inclined plane to create a spiral - used to raise/lower weights or fasten objects
57
Compound Machine
A machine made up of 2+ simple machines
58
Nanotechnology
Building electronic circuits and devices from single atoms/molecules
59
Robot
A machine working without a remote control
60
Pounds to Kg?
2.2Ibs -> 1 kg

Force, Energy, and Motion (5 decks)

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