CP2c Mass And Weight Flashcards
1
Q
Mass - Kilograms (definition)
A
The quantity of matter in an object and only changes if the object itself changes
2
Q
Weight - Newtons (definition)
A
A measure of the pull of gravity on an object and depends on the strength of gravity
3
Q
How is weight measured?
A
By using a force meter, which has a scale in newtons
4
Q
Gravitational field strength (on earth)
A
10 (N/kg)
5
Q
Gravitational field strength is different on…
A
Other planets and moons
6
Q
Weight (calculation)
A
Weight = mass x gravitational field strength
W = m x g
7
Q
Air resistance increases with…
A
Speed