PHY105P Lesson 2 Flashcards

1
Q

quantity can be classified based on how they are presented

A

physical quantities

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Types of physical quantities

A

scalar quantity
vector quantity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

can be described by a single number. has magnitude (size or quantity) but no direction.

A

scalar quantity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

deals inherently with both magnitude and direction

A

vector quantity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

describes the quantity or the size of the physical quantity. A number assigned to determine quantity

A

magnitude

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

describe how the vector is oriented relative to a reference point. Number that gives which way the vector will go

A

direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

are represented by a single letter with an arrow above them

A

vectors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

shortest distance from two points

A

displacement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

expressed as an angle of rotation either from north, south, east west
by default, angles are measured from the east direction

A

direction of the vector

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

two vectors are considered equal if their magnitudes and direction are the same

A

equality of two vectors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

if two or more vectors are pointing in the same direction

A

parallel vectors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

when two vectors have opposite directions (180 degrees apart) but have the same magnitude

A

negative vectors/antiparallel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

the total displacement

A

resultant (R)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly