Kinematics Flashcards

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1
Q

What is the study of motion

A

Mechanics

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2
Q

What is the study of how things move?

A

Kinematics

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3
Q

Which Ancient Greek believed that things move as they do because it is their nature

A

Aristotle

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4
Q

Studied falling objects

A

Galileo

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5
Q

Galileo came to what conclusion

A

his conclusion was that objects will fall at the same rate in a vacuum (space)

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6
Q

developed the 1st truly mathematical model of motion in the late 1600s

A

Issac Newton

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7
Q

Issac Newtons 3 laws of motion and law of universal gravitation form the basis for what

A

classical mechanics

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8
Q

what is classical mechanics

A

study of how and why things move

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9
Q

why do we use the newtonian model

A

because makes predictions relatively accurate for most things without being overly complex

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10
Q

a coordinate system used to describe the motion of an object

A

Frames of Referance

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11
Q

a portion of a larger motion that we are interested in studying rather than all the possible motion

A

A System

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12
Q

Distance is…… (list all possible facts)

A

a scalar quantity indicating how far and object moves during a time interval
represented with lowercase d

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13
Q

a scalar quantity indicating how far and object moves during a time interval

A

Distance

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14
Q

represented with lowercase d

A

distance

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15
Q

Displacement is…… (list all possible facts)

A

a vector quantity that describes a change in position
represented with /\X

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16
Q

represented with /\X

A

Displacement

17
Q

a vector quantity that describes a change in position

A

Displacement

18
Q

includes distance and direction

A

displacement

19
Q

Distance is always….

A

positive

20
Q

displacement can be negative
(True/False

A

True

21
Q

a measurable quantity that consists of magnitude

A

Scalar

22
Q

is scalar or vector measured with size only

A

Scalar

23
Q

Scalar quantities (4)

A

Distance
Temperature
Pressure
Speed

24
Q

a measurable quantity with both magnitude and direction

A

Vector

25
Q

Vector quantities (4)

A

Displacement
Velocity
Acceleration
Force

26
Q

a scalar quantity indicating the rate at which an object moves

A

speed

27
Q

A vector quantity indicating the rate at which an object’s position changes

A

Velocity

28
Q

a property of a moving system that is equal to its velocity times its mass
also a vector quantity

A

Momentum (p)

29
Q

the rate in change in velocity
vector quantity
change in speed, direction, or both
can be positive or negative
unit m/s squared

A

Acceleration

30
Q

Facts about Acceleration

A

the rate in change in velocity
vector quantity
change in speed, direction, or both
can be positive or negative
unit m/s squared

31
Q

the motion of an object that falls due to gravity alone with no other forces acting upon it

A

Free fall

32
Q

movement along a circular path

A

Circular motion

33
Q

circular motion can cause what

A

acceleration

34
Q

acceleration that causes an object to move toward the center of a circular path

A

Centripetal

35
Q

Negative acceleration

A

slowing down

36
Q

the 2 dimensional motion of any flying object whose curved path is determined by the influence of an external force only, such as gravity

A

projectile motion

37
Q

the curved path of the projectile

A

trajectory