Topic 1 - Mass, Weight, Gravity Flashcards
1
Q
what are the 3 important effects of gravity?
A
on the surface of a planet it makes all things accelerate towards the ground
it gives everything a weight
it keeps things in their orbits
2
Q
what is mass?
A
mass will have the same value anywhere in the universe
3
Q
what is weight caused by?
A
the pull of gravity
4
Q
is weight the same throughout the universe?
A
no, it changes as the pull of gravity changes
5
Q
is weight a force?
A
yes
6
Q
is mass a force?
A
no
7
Q
what is weight measured in?
A
newtons
8
Q
what is mass measured in?
A
kilograms
9
Q
what is the formula for weight?
A
weight = mass x gravitational field strength
