Planets Test Pt2 Flashcards
(6 cards)
1
Q
What is the formula to cauculate weight
A
Wheight = mass × GFS*
(N) (kg) (kg/n)
*= gravitational feild strengh
2
Q
What do u need for a succesfull rocket launch
A
The rockets thrust must be greater than the weight
3
Q
What is the (GFS) of the Earth
A
10 N/kg
4
Q
Explain how gravity works
A
Gravity is a force that pulls things towards it, which is also called a gravitation pull (GP)
5
Q
Breif description of the big bang theory
A
When the universe rapidly expanded then cooled down to for stars matters and planets.
6
Q
2 factors which affect the strength of gravity between twi objecs
A
The mass of the object
The distance of the objects
