Forces Flashcards
1
Q
What are forces?
A
Forces are vector quantities and a ‘push’ or ‘pull’.
2
Q
How do you draw the forces acting on something?
A
By using arrows, which must start touching the object and move away from it.
3
Q
What are forces measured in?
A
Newtons.
4
Q
What does weight do?
A
Pulls things downwards.
5
Q
What does air resistance (drag) do?
A
Acts against anything moving through the air.
6
Q
What does friction do?
A
Acts against anything moving.
7
Q
What does upthrust do?
A
Keeps things afloat.
8
Q
What happens when the forces of an object are balanced?
A
The object will either stay travelling at the same speed or become stationary.
9
Q
What happens when the forces of an object are unbalanced?
A
The object will change in some way. It might change direction, speed or shape.
