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Unit 1 Mass, Weight, Density
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Gravity
Key Concepts:
Terms in this set (24)
Formula for Density
mass divided by volume; D = m/v
Explanation of Density
a substance becomes more dense the higher the particles are placed together
Volume
how much space something takes up
Mass
amount of matter that is in something
Weight
A force (N) made from gravity pulling on a mass
Mass vs. Weight
mass is constant, weight depends on the force of gravity
Solid
most dense state of matter
Gas
- least dense state of matter
- has indefinite volume, it will spread out to completely fill the area it is in
Solid and Liquid
have constant volume
0.5 g/cm^3
What is the density if the mass is 10g and the volume is 20cm^3
48g
What is the mass if the density is 2g/mL and the volume is 24mL
5cm^3
what is the volume if the density is 5g/cm^3 and mass is 25g
What is SI unit for density
g/mL or g/cm^3
What is the SI unit for mass
grams
What is the SI unit for volume
L or m^3
If you had a 18.9L sample (5 gallon bucket full) of four different samples, which sample would have the least mass?
the least dense substance
If you had 1,000g sample of four different substances, which sample would be smallest?
the most dense substance
How many cm are in a m?
100 cm = 1 M
How many mL are in 1cm^3?
1mL
Would you weigh more on Jupiter or Earth?
Jupiter (a stronger gravity)
Would your mass be larger on Earth or Mars?
Your mass is same everywhere
Would you have weight in the vacuum of space?
No
What is your weight on Earth if you have a mass of 136Kg?
1360 N
What is your weight on Jupiter (acceleration of gravity=27m/s^2) if you have a mass of 200 Kg?
5400 N
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