Y1 Ch 09 Newtons laws of motion Flashcards
1
Q
Newton’s First Law
A
A body will remain at rest or continue to move in a straight line with a constant velocity unless it is acted on by an unbalanced force.
2
Q
Newton’s Second Law
A
When an unbalanced (or resultant) force acts on a body, it will accelerate in the direction of that force. The size of the acceleration may be determined by using the equation F = ma.
3
Q
Newton’s Third Law
A
Every action has an equal opposite reaction.