Unit 2: Motion and Force Flashcards
1
Q
average speed
A
the total distance traveled by the object divided by the elapsed time to cover that distance
2
Q
Instantaneous Speed
A
the speed of an obj at an instant of a time
3
Q
Inertia
A
The tendency of an object to resist a change in motion
4
Q
Weight
A
The force of gravity on an object
5
Q
Newton’s 1st law
A
an object will move at a constant velocity until a net force acts on it.
6
Q
Newton’s 2nd law
A
A net force acting on an object causes the object to accelerate in the direction of the net force
7
Q
Newton’s 3rd law
A
every action has an equal and opposite reaction.