Physics Final

Front 1

Accleration?

Back 1

The rate of change of velocity

Front 2

Accuracy?

Back 2

The extent to which a measured value agrees with the accepted value for a quantity

Front 3

Aristotle?

Back 3

Assigned the name "Physics" for the study of natural events. He believed motion was the basis of physics, but didnt believe math could apply to this study.

Front 4

Centrifugal Force?

Back 4

Opposite; outward seeking.

Front 5

Centripetal Accleration?

Back 5

always at right angles to the velocity of a particle.

Front 6

Centripetal Force?

Back 6

Center seeking.

Front 7

Coefficient of Friction?

Back 7

quantity used to calculate the force of friction.

Front 8

Delta?

Back 8

represents a change or difference between mathematical values.

Front 9

Dependent?

Back 9

During an experiment the values of one variable are carefully changed while the corresponding values of the (_) variable are then measured.

Front 10

Derived Units?

Back 10

A combination of two or more fundamental units of measure, such as speed and volume.

Front 11

Dimensional Analysis?

Back 11

used to understand physical situations involving a mix of different kinds of physical quantities.

Front 12

Direct Relationship?

Back 12

if one variable increases/decreases, the other variable also increases/decreases.

Front 13

Displacement?

Back 13

Vector quantity representing the change in position of an object.

Front 14

Distance?

Back 14

Scalar quantity equal to the sum of the magnitude of the displacements.

Front 15

Dynamics?

Back 15

Study of the motion of particles acted upon by forces.

Front 16

Elastic collision?

Back 16

Collision in which the total kinetic energy of two objects is the same after the collision as before.

Front 17

Electromagnetic?

Back 17

(_) waves need no medium for travel.

Front 18

External Force?

Back 18

Unless acted upon by a(n)(_), an object at rest or in a state of uniform motion will remain at rest or in uniform motion.

Front 19

Frame of Reference?

Back 19

Coordinate system used to describe motion.

Front 20

Frequency?

Back 20

Number of occurrences in a unit of time.

Front 21

Friction?

Back 21

Force opposing motion between two objects that are in contact.

Front 22

Fundamental?

Back 22

Lowest frequency sound produced by an instrument.

Front 23

Gravitational?

Back 23

The potential energy that an object has due to its position above the surface of the earth is (_) potential energy.

Front 24

Gravity?

Back 24

A force that exists between 2 objects.

Front 25

Henry Cavendish?

Back 25

a British scientist noted for his discovery of hydrogen.

Front 26

Impulse?

Back 26

Product of a force and the time during which it acts; the change of momentum for an object is equal to and caused by the (_) given to the object.

Front 27

Independent?

Back 27

In graphing, the values for the (_) variable usually are plotted on the horizontal axis.

Front 28

Indirect Relationship?

Back 28

An indirect relationship between two when one variable increases, the other decreases.

Front 29

Inelastic collision?

Back 29

Collision in which some of the kinetic energy of colliding objects is changed to another form of energy.

Front 30

Inertia?

Back 30

The property of an object which causes it to resist all changes in its state of motion.

Front 31

Internal Force?

Back 31

A(n) (_) force cannot change the momentum of a system.

Front 32

Inverse?

Back 32

Increase in one variable causes a proportional decrease in another variable.

Front 33

Inverse Square Law?

Back 33

some physical quantity or strength is inversely proportional to the square of the distance from the source of that physical quantity.

Front 34

Isaac Newton?

Back 34

showed that the motions of objects on Earth are governed by the same set of natural laws.

Front 35

Joule?

Back 35

the unit of work or energy equal to a newton-meter.

Front 36

Kilowatt-Hour?

Back 36

Amount of energy equal to 3.6 x 10^6 J.

Front 37

Kinematics?

Back 37

Study of the motion of particles; the branch of physics concerned with the mathematics of motion (without regard to forces).

Front 38

Kinetic?

Back 38

Movement.

Front 39

Kinetic Energy?

Back 39

Energy of an object due to its motion.

Front 40

Kinetic Friction?

Back 40

occurs when two objects are moving relative to each other and rub together.

Front 41

Mass?

Back 41

Quantity of matter in an object measured by its resistance to a change in its motion (inertia).

Front 42

Mechanics?

Back 42

the branch of physics concerned with the behaviour of physical bodies when subjected to forces or displacements.

Front 43

Meter?

Back 43

The fundamental SI unit of length.

Front 44

Momentum?

Back 44

Product of an object's mass and velocity.

Front 45

MU?

Back 45

The coefficient of friction used to calculate the force of friction.

Front 46

Normal?

Back 46

The (_) is a line perpendicular to a barrier at the point where an incident ray strikes the barrier.

Front 47

Optics?

Back 47

describes the behavior and properties of light and the interaction of light with matter.

Front 48

Parallax?

Back 48

Change in relative position of objects with change in viewing angle.

Front 49

Period?

Back 49

Time duration of a phenomenon or event.

Front 50

Potential Energy?

Back 50

Energy of an object due to its position.

Front 51

Precision?

Back 51

The degree of exactness in a measurement.

Front 52

Projectile?

Back 52

Any object that is thrown or otherwise projected into the air.

Front 53

Quantum Mechanics?

Back 53

Study of matter using a wave-particle model.

Front 54

Range?

Back 54

Distance A projectile travels.

Front 55

Relative Velocity?

Back 55

the vector difference between the velocities of two objects.

Front 56

Resultant?

Back 56

Drawn from the tail of the first vector to the head of the second vector, and it represents the sum of the vectors.

Front 57

Scalar?

Back 57

A measurement that is completely described by its magnitude.

Front 58

Significant Digits?

Back 58

A measurement that is completely described by its magnitude.

Front 59

Speed?

Back 59

The time rate at which a body travels distance; a scalar quantity.

Front 60

Static?

Back 60

it is how forces are transmitted through the members in an object.

Front 61

Static Friction?

Back 61

the force between two objects that are not moving relative to each other.

Front 62

Strong Nuclear?

Back 62

Very short range force holding protons and neutrons together in the atomic nucleus.

Front 63

Tangental Velocity?

Back 63

The linear velocity of a point on a rotating rigid object at a distance r from the axis of rotation.

Front 64

Terminal?

Back 64

Velocity of a falling object when the flow of air resistance is equal to the weight.

Front 65

Trajectory?

Back 65

The name of the path of a projectile; the path taken by an object thrown into the air.

Front 66

Universal Constant?

Back 66

a physical quantity that is generally believed to be both universal in nature and constant in time.

Front 67

Vector?

Back 67

A quantity that can be represented by an arrow-tipped line segment.

Front 68

Vector Resolution?

Back 68

The process of finding the effective value of a vector in a given direction.

Front 69

Velocity?

Back 69

Meters per second in a specific direction; a vector whose magnitude is speed and whose direction is the direction of motion.

Front 70

Vibrations?

Back 70

the repetitive variation, typically in time, of some measure about a central value or between two or more different states.

Front 71

Watt?

Back 71

Unit of power equal to 1 J/s.

Front 72

Weak Nuclear?

Back 72

responsible for emission of beta particles in radioactive decay.

Front 73

Weight?

Back 73

Another name for the attractive gravitational force between an object and the earth.

Front 74

Weightlessness?

Back 74

experienced by people during free-fall, in orbit is not the result of gravity itself being eliminated or even reduced significantly.