physics density
What is the formula for density?
Density = Mass / Volume
If the mass of an object is 10 kg and its volume is 2 m³, what is its density?
5 kg/m³
Which of the following materials typically has the highest density?
Lead
What is the SI unit of density?
kg/m³
If two objects have the same volume but different masses, which has higher density?
The object with greater mass
What happens to the density of an object when its volume increases while its mass remains constant?
Density decreases
What is the approximate density of water at room temperature?
1 g/cm³
Which of the following statements about density is true?
Objects with higher densities sink in fluids with lower densities.
If an object floats in water, what can you infer about its density?
Its density is less than that of water.
How does temperature typically affect the density of a substance?
Density decreases as temperature increases.