Forces + Laws Flashcards
1
Q
Define Force
A
Any influence that changes the motion of an object
2
Q
Sliding Friction
A
Something pushed across a surface
3
Q
Rolling friction
A
Between wheels and the floor
4
Q
Fluid friction
A
Between a surface and liquids or gases
5
Q
Most famous non-contact force
A
Gravity
6
Q
What is Newton’s 1st law?
A
Inertia: Objects in motion tend to stay in motion/ vice versa
7
Q
What is Newton’s 2nd law?
A
Force = mass times acceleration
8
Q
What is Newtons 3rd law?
A
For every action there is an equal
and opposite reaction