Chapter 1+3 Vocab

Question 1

Percent uncertainty

Answer 1

Ratio of uncertainty over measured value multiplied by 100

Question 2

Base quantity

Answer 2

Physical quantity that is the standard for all other quantities

Question 3

Derived quantity

Answer 3

Physical quantity that can be defined in terms of the base quantity

Question 4

Conversion factor

Answer 4

The value of one measurement expressed in a different set of units

Question 5

Scalar

Answer 5

Quantity with no direction associated with it; specified by numbers and units

Question 6

Vector

Answer 6

Quantity with magnitude and direction

Question 7

Vector addition

Answer 7

The process of finding the sum of vectors

Question 8

Vector subtraction

Answer 8

The process of finding the difference between vectors

Question 9

Vector components

Answer 9

The sum of two other vectors that result in the original vector (x and y coordinates)

Question 10

Estimated uncertainty

Answer 10

The approximation of inaccuracies within the result of a measurement
Ex) + or - .01cm

Question 11

Resultant displacement

Answer 11

The magnitude of the arrow drawn from the tail of the first vector to the tip of the second vector

Question 12

Resultant

Answer 12

Sum of vectors

Question 13

Tip to tail method

Answer 13

To move a vector to so that they lie tip to tail

Question 14

Components

Answer 14

Rectangular coordinate pairs that represent a vector

Question 15

Resolving vectors

Answer 15

Process of finding vector components