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Reviewers > Advanced Physics (1st Qtr) > Flashcards

Advanced Physics (1st Qtr) Flashcards

1
Q

quantity with only magnitude

A

scalar

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2
Q

quantity with both magnitude and direction

A

vector

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3
Q

trigonometric function in finding the x component

A

cosine

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4
Q

trigonometric function in finding the y component

A

sine

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5
Q

angle with respect to positive x axis

A

θ

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6
Q

unit vector equivalent to x axis

A

i hat

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7
Q

unit vector equivalent to y axis

A

j hat

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8
Q

unit vector equivalent to z axis

A

k hat

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9
Q

symbol for scalar products

A

dot

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10
Q

symbol for vector products

A

cross

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11
Q

other name for scalar product

A

dot product

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12
Q

other name for vector product

A

cross product

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13
Q

vector with magnitude equal to one (1)

A

unit vector

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14
Q

motion of an object or particle moving along a circle or a circular path or arc with a constant speed

A

uniform circular motion

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15
Q

force that keeps an object moving in a circle

A

centripetal force

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16
Q

linear speed of any object moving along a circular path

A

tangential velocity

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17
Q

F = ma

what is defined by m

A

mass

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18
Q

F = ma

what is defined by a

A

acceleration

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19
Q

a = v^2/r

what is defined by v

A

velocity

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20
Q

a = v^2/r

what is defined by r

A

radius

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21
Q

acceleration of an object or particle moving along a circle or a circular path or arc with a constant speed

A

centripetal acceleration

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22
Q

point where all the mass of an object is concentrated

A

center of mass

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23
Q

point where all the weight of an object is concentrated

A

center of gravity

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24
Q

value of acceleration due to gravity

A

9.8 m/s^2

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25
Q

True or false.

Center of mass is always at an objects geometric center.

A

false

26
Q

True or false.

Center of mass can be outside the object.

A

true

27
Q

state of an object if its body is not moving from any reference point

A

static equilibrium

28
Q

types of static equilibrium

A

stable and unstable

29
Q

motion of an object turning about an axis

A

rotational motion

30
Q

rotates with all its parts locked together, without any change in its shape

A

rigid body

31
Q

angle relative to a fixed direction

A

angular position

32
Q

fixed direction in rotational motion

A

zero angular position

33
Q

changing of angular position of the reference line

A

angular displacement

34
Q

other name for zero angular position

A

initial position

35
Q

angular displacement during a time interval

A

average angular velocity

36
Q

other term for average angular velocity

A

angular speed

37
Q

limit of the ratio as time approaches zero

A

instantaneous angular velocity

38
Q

limit of the angular acceleration as time approaches zero

A

instantaneous angular velocity

39
Q

change in angular velocity that occurs during a time interval

A

average angular acceleration

40
Q

turning or twisting action on a body about a rotation axis due to force

A

torque

41
Q

constant in torque

A

Φ (phi)

42
Q

T = rFsinΦ

what is defined by r

A

lever arm

43
Q

T = rFsinΦ

what is defined by F

A

force

44
Q

sum of individual torques when several torques act on a body

A

net torque

45
Q

other term for net torque

A

resultant torque

46
Q

change in the speed of sound as temperature increases or decreases

A

0.6 m/s

47
Q

tendency of matter to change its shape, area, density, and volume in response to a change in temperature

A

thermal expansion

48
Q

change in length measurements of an object due to thermal expansion

A

linear thermal expansion

49
Q

expansion or contraction occurring in all directions

A

volume thermal expansion

50
Q

unit for change in temperature

A

C°

51
Q

unit for current / specific temperature

A

°C

52
Q

coefficient of linear thermal expansion per degree celsius

A

α (alpha)

53
Q

coefficient of volume thermal expansion per degree celsius

A

β (beta)

54
Q

amount of heat required to raise the temperature of 1 kg of a substance to 1 K

A

specific heat capacity

55
Q

amount of heat needed to cause a phase change

A

latent heat

56
Q

phase change between solid and liquid

A

fusion

57
Q

phase change between liquid and gas

A

vaporization

58
Q

True or false.

an object’s temperature stays constant throughout a phase change

A

true

59
Q

sequence of phases where speed of sound decreases (starting from fastest to slowest medium)

A

solids, liquids, gas

60
Q

equation used in finding the resultant vector

A

pythagorean equation

Reviewers (1 decks)

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