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Physics 2 > Module 1 & 2 > Flashcards

Module 1 & 2 Flashcards

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1
Q

This deals with the study of the behavior of fluids (gases or liquids)

A

Fluid Mechanics

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2
Q

_______ is any substance that can flow

A

Fluid

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3
Q

This is the study of fluids at rest.

A

Fluid Statics

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4
Q

_______ is the study of fluids in motion.

A

Fluid Dynamics

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5
Q

This refers to the force exerted on a given area.

A

Pressure

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6
Q

The ________ of an object is the ratio of its density to the density of water.

A

Relative Density

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7
Q

This refers to the force exerted on an object in water.

A

Fluid Pressure

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8
Q

True or False.
Fluid Pressure is directly proportional to the depth and density.

A

True

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9
Q

True or False.
Fluids exert varying pressures in all directions.

A

False
(fluids exert THE SAME pressure in all directions)

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10
Q

True or False.
A fluid cannot sustain a shearing stress. The forces exerted by a fluid on the walls are perpendicular.

A

True

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11
Q

True or False.
Fluid pressure is independent of volume and shape.

A

False
(independent of area and shape)

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12
Q

This states that an external pressure applied to an enclosed fluid is transmitted uniformly throughout the volume of the liquid.”

A

Pascal’s Principle

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13
Q

This states that an object submerged in fluid experiences a buoyant force equal to the weight of the fluid displaced.

A

Archimedes’ Principle

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14
Q

This refers to the upward force exerted by a liquid on an object.

A

Buoyant Force

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15
Q

True or False.
When an object floats, partially submerged, the buoyant force balances the weight of the object.

A

True

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16
Q

This is the degree of hotness of an object measured by a thermometer.

A

Temperature

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17
Q

_______ is the energy that travels from high to low temperature in a matter,

A

Heat

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18
Q

This deals with the study of temperature, heat energy, and its relation to matter.

A

Thermal Physics

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19
Q

Heat is also known as _______ or ________ .

A

Thermal/Internal Energy

20
Q

This refers to the properties that change when an object’s temperature changes,

A

Thermometric Properties

21
Q

True or False.
Only certain matters expand when heated because of the increased vibration of the molecules.

A

False
(ALL matters expand when heated)

22
Q

This occurs when an object’s temperature changes and its length changes.

A

Linear Expansion

23
Q

True or False.
Regarding linear expansion the change in length is directly proportional to change in temperature for extreme temperature changes.

A

False
(for MODERATE temperature changes)

24
Q

True or False.
When an object undergoes thermal expansion, any holes in the object expand as well.

A

True

25
Q

True or False.
Increasing temperature causes an increase in volume for only solid materials.

A

False
(for solid AND LIQUID materials)

26
Q

Energy transfer that takes place solely because of temperature difference is called _________ or _________.

A

Heat Flow/Heat Transfer

27
Q

The energy that is transferred due to heat flow or heat transfer is called ______.

A

Heat

28
Q

______ means measuring heat.

A

Calorimetry

29
Q

What method of heat transfer happens when there is a transfer of heat through collision within a substance (especially solid).

A

Conduction

30
Q

What method of heat transfer happens when there is a transfer of heat in gas or liquid through currents in the heated fluid. The fluid carries energy, such as hot air rising.

A

Convection

31
Q

What method of heat transfer happens when there is a transfer of energy at light speed through electromagnetic waves.

A

Radiation

32
Q

This refers to the energy radiated in a form of electromagnetic waves.

A

Radiant Energy

33
Q

This refers to the amount of heat to raise the temperature of a gram of water from 14.5°C to 15.5°C.

A

Calorie

34
Q

This refers to the quantity of heat required to raise the temperature of 1 pound of water 1°F .

A

British Thermal Unit (BTU)

35
Q

True or False.
The quantity of heat required to increase the temperature of a mass of a certain material is proportional to the change in temperature and the mass.

A

True

36
Q

This is the amount of heat required to raise the temperature by 1°C for the mass of 1kg.

A

Specific heat (c)

37
Q

This is the branch of science that deals with the properties of matter and changes due to the effects of heat and work.

A

Thermodynamics

38
Q

It is the study of heat and work.

A

Thermodynamics

39
Q

True or False.
The Zeroth Law of Thermodynamics states that if C is in thermal equilibrium with A and B, then A and B are not in thermal equilibrium with each other.

A

False
(Then A and B are ALSO in thermal equilibrium with each other)

40
Q

True or False.
The Zeroth Law of Thermodynamics states that two systems are in thermal equilibrium if they have the same temperature.

A

True

41
Q

According to the conservation of energy, the energy leaving a body is less than the energy entering another body in an isolated system.

A

False
(the energy leaving a body is equal to the energy entering another body)

42
Q

______ results when heat is absorbed or released without a change in temperature.

A

Phase Change

43
Q

This refers to the change in the internal energy of a closed system is equal to the energy added to the system through heat minus the work done by the system on its surroundings.

A

First Law of Thermodynamics

44
Q

This is the sum of the kinetic energies of all its constituent particles plus the sum of all the potential energies of the interaction among the particles.

A

Internal Energy

44
Q

A _________ is a system that can exchange energy, but not matter, with its surroundings.

A

Closed System

45
Q
A

Physics 2 (6 decks)

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