Gravity Flashcards
1
Q
What is gravity?
A
A non-contact force that acts between two objects
2
Q
What pulls you back down to Earth when you jump?
A
Gravitational force
3
Q
What does the size of the gravitational force depend on?
A
The mass of the two objects and how far apart they are
4
Q
What is weight?
A
It is the downward force caused by gravity acting upon the mass of an object
5
Q
What is weight measured in?
A
Newtons (N)
6
Q
What is mass?
A
It is the amount of matter within an object
7
Q
What is mass measured in?
A
Kilograms
8
Q
What is the equation for calculating weight?
A
Weight (N) = mass (kg) x gravitational field strength (N/kg)
9
Q
What would be the same if a person was on different planets, their mass or weight?
A
Their mass would be the same, not their weight
