P1.3 & P1.4 - Mass, Weight & Density Flashcards
What is mass? [1]
measure of the quantity of matter in an object
What is weight? [1]
the gravitational force on an object that has mass
What is gravitational field strength? [1]
the gravitational force per unit mass
What is thre gravitational constant on Earth? [1]
10 m/s^2
What is the formula for weight? [2]
W = MG
What is weight the effect of? [1]
weight is the effect of a gravitational field on a mass
What is gravitational field strength equivalent to? [1]
the acceleration of free fall
What is density? [1]
mass per unit volume
What is the formula for density? [2]
D = M/V
What happens when objects have a lower density than water? [1]
they’ll float
What happens when objects have a higher density than water? [1]
it’ll sink
What is the density of water? [1]
1 gram
What is the unit for density? [2]
kg/m^3 or g/cm^3
What happens if you put an object inside of water? [1]
it’ll displace the water
