Mas, Weight And Density Flashcards
1
Q
Define mass
A
How much there is of an object measured in kg
2
Q
What is weight
A
The force on masses which pull them towards Earth
3
Q
Equation of weight
A
W=mg
4
Q
What is the strength of gravity on earth
A
10N/kg
5
Q
Equation of density
A
Density= mass ➗ volume
6
Q
Define density
A
The density of a material tells us the mass of 1cm cubed or 1 metre cubed of it
Measured in g/cm3 or kg/m3
7
Q
What is kinetic theory
A
It describes matter as a large number of particles with different amounts of kinetic energy and different strengths and bonds