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IPC > Midterm Study Material > Flashcards

Midterm Study Material Flashcards

1
Q

Mass and Weight

A

Mass is a measure of the amount of material in an object, weight is the gravitational force acting on a body

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2
Q

Charles’ Law

A

an experimental gas law that describes how gases tend to expand when heated

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3
Q

Boyle’s Law

A

the pressure of a gas tends to increase as the volume of the container decreases

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4
Q

Thermal Energy

A

Something like “energy created by a heat source”

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5
Q

6 simple machines

A

Wheel and axle, screw, pulley, lever, wedge, gear

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6
Q

1st Class Lever

A

fulcrum is located on the lever between the effort force and load

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7
Q

2nd Class Lever

A

load is between the effort and the fulcrum

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8
Q

3rd Class Lever

A

force is located between the fulcrum and load

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9
Q

Work

A

work is done if there is a displacement of the point of application in the direction of the force

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10
Q

Newton’s Law of Motion

A

an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force

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11
Q

Potential Energy

A

the energy possessed by an object because of its position relative to other objects, stresses within itself, or its electric charge

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12
Q

Kinetic Energy

A

energy that a body possesses by virtue of being in motion

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13
Q

Specific Gravity

A

the ratio of the density of a substance to the density of a standard

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14
Q

Theory

A

ideas intended to explain something

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15
Q

Hypothesis

A

an explanation made on limited evidence as a starting point for further investigation

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16
Q

SI

A

the metric system

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17
Q

Precision

A

the fact of being exact and accurate

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18
Q

Accuracy

A

the state of being correct or precise

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19
Q

Density

A

the compactness of a substance

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20
Q

Mechanics

A

motion and forces producing motion

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21
Q

Kinematics

A

the motion of objects without reference to the forces that cause the motion

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22
Q

Dynamics

A

the motion of bodies under the action of forces

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23
Q

Scalar

A

having only magnitude, not direction

24
Q

Vector

A

having direction and magnitude

25
Q

Displacement

A

the occupation by a submerged body of a volume

26
Q

Speed

A

the rate at which an object covers distance

27
Q

Velocity

A

the speed of something in a given direction

28
Q

Acceleration

A

capacity to gain speed within a short time

29
Q

Force

A

strength or energy of physical action or movement

30
Q

Newton

A

unit of force

31
Q

Inertia

A

matter staying in it’s existing state of rest

32
Q

Friction

A

the resistance between objects

33
Q

Free Fall

A

downward movement under the force of gravity

34
Q

Lift

A

the component of a force perpendicular to oncoming flow direction

35
Q

Drag

A

a force acting opposite to the relative motion of any object moving with respect to a surrounding fluid

36
Q

Gravity

A

force that attracts a body toward the center of the earth

37
Q

Thrust

A

force which makes an object move

38
Q

Momentum

A

quantity of motion of a moving body

39
Q

Terminal Velocity

A

constant speed that a freely falling object eventually reaches

40
Q

Gravitational Acceleration

A

indicates the intensity of a gravitational field

41
Q

Joule

A

the SI unit of work or energy

42
Q

Mechanical Energy

A

the sum of potential energy and kinetic energy

43
Q

1st Law of Thermodynamics

A

energy cannot be created or destroyed

44
Q

Mechanical Work

A

displacement of the point of application

45
Q

Watt

A

the SI unit of power

46
Q

Load/Resistance

A

equivalent resistance of the device attached to the output of a system

47
Q

Pitch (of a screw)

A

distance between two adjacent objects

48
Q

Fluid Mechanics

A

mechanics dealing with the properties of fluids in various states

49
Q

Pressure

A

continuous force exerted on an object

50
Q

Pascal

A

the SI unit of pressure

51
Q

Atmospheric Pressure at Sea Level

A

101.325 kPa

52
Q

SI Unit for Energy

A

Joule

53
Q

SI Unit of Force

A

Newton

54
Q

Formula for Mechanical Work

A

W = FD

55
Q

Manometer

A

a device to measure pressures

56
Q

Celsius, Fahrenheit, Kelvin

A

1 degree Celsius = 274.15 Kelvins

1 degree Fahrenheit = -17.222 degrees Celsius

1 Kelvin = -457.87 degrees Fahrenheit

57
Q

Density of Water

A

997 kg/m³

IPC (1 decks)

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