weight , mass and gravity Flashcards
1
Q
what is mass?
A
the amount of matter in an object.
2
Q
what is mass measured in?
A
Kg
3
Q
what is the centre of mass?
A
a point representing the mean position of the matter
4
Q
what is weight?
A
Weight is the force acting on an object due to gravity
5
Q
what is weight measured in?
A
Newtons
6
Q
what does the weight of an object depend on?
A
The mass and the strength of the gravitational field
7
Q
what can weight be measured with?
A
newtonmeter
8
Q
mass and weight are…
A
directly proportional
9
Q
what is the formula for weight?
A
mass(Kg) x gravitational field strength (N/Kg)
