Inertia and Newton 3rd law Flashcards
1
Q
Inertia
A
Tendency to keep moving with same velocity.
2
Q
inertial mass
A
measures how difficult it is to change velocity of object.
Rearranging gives m=f/a, inertial mass is ratio of force over acceleration.
3
Q
3rd law
A
when 2 objects interact, forces exert on each other are equal and opposite.
4
Q
example of 3rd law
A
As man pushes wall, normal contact force acting on him, both are same size
