1st Quarter Flashcards

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1
Q

Base unit in Metric Unit

A

METER, LENGTH, LITER

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2
Q

How to convert from smaller to larger in metric unit

A

DIVIDE BY 10

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3
Q

How to convert from larger to smaller in metric unit

A

MULTIPLY BY 10

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4
Q

Uncertainty that lessens the doubt

A

ZEROING UNCERTAINTY

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5
Q

Uncertainty that uses own judgement to determine measurement

A

JUDGMENT UNCERTAINTY

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6
Q

Difference of measured value and true value

A

ERROR

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7
Q

Error that cannot be controlled

A

RANDOM ERROR

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8
Q

Error that happens when equipment is not calibrated or the user does not know how to use it

A

SYSTEMATIC ERROR

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9
Q

Which zeros can be considered significant

A

ZEROS SANDWICHED IN BETWEEN NON-ZERO DIGITS
TRAILING ZEROS
ZEROS WITH A BAR ON TOP

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10
Q

Quantity that is a combination of 2 or more fundamental quantities

A

DERIVED QUANTITY

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11
Q

Act of assigning a number to a particular property of an object

A

MEASUREMENT

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12
Q

What do you follow in multiplying or dividing significant figures

A

LEAST NUMBER OF SIGNIFICANT FIGURES

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12
Q

How close a given value is to an accepted standard

A

ACCURACY

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12
Q

Consistency of measurement

A

PRECISION

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13
Q

What do you follow in adding or subtracting significant figures

A

LEAST NUMBER OF DECIMAL PLACES

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14
Q

TRUE OR FALSE:
A coefficient of a scientific notation can be greater than 9.9

A

FALSE

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15
Q

If a scientific notation has a negative exponent, where will the decimal place move to, when converting to the larger value?

A

LEFT

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16
Q

If a scientific notation has a positive exponent, where will the decimal place move to, when converting to the larger value?

A

RIGHT

17
Q

What does an angle represent in a vector

A

DIRECTION

18
Q

The two parts of an arrow of a vector

A

LENGTH (MAGNITUDE)
HEAD (DIRECTION)

19
Q

Total displacement from origin to final

A

RESULTANT VECTOR

20
Q

method that uses parallelogram and polygon methods

A

GRAPHICAL

21
Q

method that uses Pythagorean theorem and trigonometric functions

A

ANALYTICAL

22
Q

method that uses rectangular resolution or vector addition

A

COMPONENT

23
Q

Method that uses motion sensors, force tables

A

EXPERIMENTAL

24
Q

How fast an object is moving

A

SPEED

25
Q

Rate at which an object changes its position

A

VELOCITY

26
Q

Object’s speed at any given time

A

INSTANTANEOUS SPEED

27
Q
A
28
Q

Rate of change at a given direction and point in time

A

INSTANTANEOUS VELOCITY

29
Q

Change in velocity

A

ACCELERATION

30
Q

Object falls under the influence of gravity alone

A

FREE FALL

31
Q

object moves in two dimensions

A

PROJECTILE MOTION

32
Q

shape of the trajectory

A

PARABOLA

32
Q

total horizontal displacement

A

RANGE

33
Q

total vertical displacement (halfway)

A

MAXIMUM HEIGHT

33
Q

motion of a body turning about an axis, each particle moves a circular path

A

ROTATION

34
Q

time to reach a certain point in the trajectory

A

TIME OF FLIGHT

35
Q

velocity of an object moving along a circular path

A

TANGENTIAL VELOCITY

36
Q

changes in the linear speed

A

TANGENTIAL ACCELERATION

37
Q

changes in the direction of the velocity

A

RADIAL/CENTRIPETAL ACCELARATION

38
Q

Force that pushes away from the center

A

CENTRIFUGAL FORCE

39
Q

Force that pushes toward the center

A

CENTRIPETAL FORCE