Test 5: Measurement Flashcards
1
Q
What system of measurement do we use
A
We use the Metric System of Measurement (SI)
2
Q
Why can ships Float in Water
A
Ships are hollow and filled with air and the average density of the ship is less then 1.0gcm~3
3
Q
What is density?
A
It is the quantity of something per unit volume,unit length or unit area
4
Q
Define volume
A
space occupied within the boundaries of an object in three-dimensional space
5
Q
Define mass
A
Anything that occupies space
6
Q
Define the term velocity
A
The velocity of an object tells you the speed at which it is travelling and the direction in which it is travelling.
7
Q
Define the term acceleration
A
Acceleration is about the rate of change in Velocity
8
Q
What is the unit that is used for density
A
g cm-3.