Forces, PT 2 Flashcards
1
Q
A force is measured in
A
Newtons
2
Q
We measure force using a
A
Newton meter
3
Q
What does gravity do
A
Pulls things downwards and acts toward the centre of the earth
4
Q
What does friction do
A
Usually acts against any moving object
5
Q
What does air friction do
A
Just another form of friction it acts on objects as they move through the earths atmosphere
6
Q
When objects interact they always exert ____________
A
Equal and opposite force on each other this is known as Newtons 3rd law of motion
7
Q
When you push against a wall, the wall pushes back with a force which is ______ and ______
A
Equal and Opposite
8
Q
A
