physics mem Flashcards
(4 cards)
1
Q
State the 1st Newton law
A
An object will remain at rest or moving with a constant velocity unless it is acted upon by an external unbalanced force.
2
Q
State the 2nd Newton law
A
If an object is subjected to an unbalanced, external force, the acceleration experienced is directly proportional to the force and inversely proportional to its mass.
3
Q
State the 3rd Newton law
A
For every action there is an equal and opposite reaction force.
4
Q
State the formula for the speed of the ticket tape
A
Speed = distance from first dot to last / number of gaps x 0.02
