Post on 04-Jan-2016
Chapter 2
Mass and Weight
a
MASS and WEIGHT
• Commonly misunderstood quantities
MASS WEIGHT
Definition Measurement of the amount of matter in an object
Measurement of the gravitational force
Variable/constant constant variable
Measured with balance Scale
Units Grams, kilograms, etc.
Pounds, ounces, etc.
A
A
WEIGHT
The earth’s size makes all other attractions inconsequential
STRENGTH OF GRAVITY DEPENDS ON SIZE AND
DISTANCE
Further you are away from earth …
MASS WEIGHT
Definition Measurement of the amount of matter in an object
Measurement of the gravitational force
Variable/constant constant variable
Measured with balance Scale
Units Grams, kilograms, etc.
Pounds, ounces, etc.
A
A
Would you weigh the same on the moon?
195 million 21 trillion
$ diet for losing weight …A
A
MASS WEIGHT
Definition Measurement of the amount of matter in an object
Measurement of the gravitational force
Variable/constant constant variable
Measured with balance Scale
Units Grams, kilograms, etc.
Pounds, ounces, etc.A
A
MASS WEIGHT
Definition Measurement of the amount of matter in an object
Measurement of the gravitational force
Variable/constant constant variable
Measured with balance Scale
Units Grams, kilograms, etc.
Pounds, ounces, etc.
Homework
Worksheet Chapter 2-1 (due Tuesday)