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Physical Science > Vectors And Scalars > Flashcards

Vectors And Scalars Flashcards

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1
Q

What are vector quantities

A

A vector quantities are physical quantities that have size and direction

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2
Q

What are scalar quantities

A

Scalar quantities are quantities that have size only one

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3
Q

What are example of vector quantities

A

Displacement, velocity, acceleration, power, weight

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4
Q

What are some examples of scalar quantities

A

Time, mass, distance, speed, charge

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5
Q

What is the quantity symbol for displacement

A

x

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6
Q

What is the quantity symbol for velocity

A

v

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7
Q

What is the quantity symbol for acceleration

A

a

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8
Q

What is the quantity symbol for power

A

F

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9
Q

What is the quantity symbol for weight

A

N

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10
Q

What is the quantity symbol for time

A

t

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11
Q

What is the quantity symbol for mass

A

m

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12
Q

What is the quantity symbol for distance

A

D

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13
Q

What is the quantity symbol for speed

A

v

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14
Q

What is the quantity symbol for change

A

Q

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15
Q

What is the SI UNIT for displacement

A

Meter

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16
Q

What is the SI UNIT for velocity

A

Meter per second

17
Q

What is the SI UNIT for acceleration

A

Meter per second squared

18
Q

What is the SI UNIT for power

A

Newton

19
Q

What is the SI UNIT for weight

A

Newton

20
Q

What is the SI UNIT for time

A

Seconds

21
Q

What is the SI UNIT for mass

A

Kilogram

22
Q

What is the SI UNIT for distance distance

A

Meter

23
Q

What is the SI UNIT for speed

A

Meter per second

24
Q

What is the SI UNIT for charge

A

Coulomb

25
Q

What does a negative vector mean

A

The same size as the given vector except in the opposite direction eg -F is the same as F just in the opposite direction

26
Q

What does a negative scalar mean

A

A smaller quantity eg -12 degrees is smaller than 12 degrees

27
Q

What is vector quantity represented by

A

A vector quantity is represented by a straight line and arrow head

28
Q

What does the length of a line segment represented in vector quantities

A

The size of the vector quantity

29
Q

What does the arrow head represent in a vector quantity

A

The direction of the quantity

30
Q

What is the starting point of a vector quantity called

A

The tail

31
Q

What is the end point of a vector quantity called (the arrow)

A

The head

32
Q

What is a scale vector diagram

A

When the vectors are drawn accurately according to a suitable scale.

33
Q

How are vectors indicated

A

By a symbol of an arrow that pints right above the symbol

34
Q

What is the resultant

A

The single vector that has the same effect as two or more vectors together

35
Q

What is an equilibrant

A

A vector that has the same magnitude as a resultant but in opposite directions

36
Q

What are physical quantities

A

Quantities that are measurable

Physical Science (29 decks)

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