Newtons 1st law
What is Newtons 1st law?
an object at rest stays at rest and an object in motion stays in motion unless acted on by an unbalanced force
What is Newtons 2nd law?
an object with an unbalanced force acting on it will accelerate in the direction of that force
What is Newtons 3rd law?
for every action there is an equal and opposite reaction
What is force?
push or pull of any kind
The other name for Newton's 1st Law...
The law of inertia
What are the two types of forces?
Balanced and Unbalanced forces
What kind(s) of objects have inertia?
all objects with mass
What is the equation for Newton's 2nd law?
F = ma
When a heavy football player and a light one run into each other, who exerts more force?
The heavier one
What will cause an object to move?
Unbalanced forces
True or False:
The motion of an object can change over the course of its movement
true
What will happen if you're in a car and the driver slams on the brake?
You will continue moving forward
The larger the mass you have the _____ force you need to change its motion.
more
Newton's third law states that any action will have a(n) _______ and ______ reaction
Equal and opposite
When forces are _________ the object DOES NOT move.
balanced
What is speed?
How fast an object changes its position;rate.
What scientist came up with the Three Laws of Motion?
Isaac Newton
What causes a ball rolling across a rug to slow to a stop?
According to Newton's third law, what happens when you push againsit a wall?
The wall pushes back at you with the same amount of force.
What is the net force of an object that is not moving?
0 N
What is Motion?
a change of position of an object