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Mass is
The number of atoms inside an object
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Weight is
The pull or force due to gravity of the planet
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Weight is measured in
Newtons / N
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The gravity of the earth
10N/kg or 10 m/ s2
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The gravity of the moon
1/6 of the earth or 1/6 x10 N/ kg or 1/6 x10 m/s2
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The gravity of space
0 N/kg or 0 m/s2
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The formula to find weight
mass x gravity
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The formula to find gravity
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Hooke's law
There is always a direct proportion between force and length extention unless the object exceeds the elastic limit
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How the extention is found
New length - original length
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Makes a spring harder
Dense material, short length, smaller turns, thicker wire
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Makes a spring softer
Not dense material, longer, larger turns, thinner wire
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If an object obeys hooke's law
The graphs line is straight
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If an object disobeys Hooke's law
The graphs line is curved
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The object that holds everything up
Retort stand
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Shows you the extention
Ruler/ scale
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Shows you the new length
Pointer
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The object that is added on to see new measurements
The load
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Measurements you need to take in Hooke's law experiment
Weight and length
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A planet is large
There is greater gravity
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