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?
F=ma
What is Newtons 3rd law?
for every action there is an equal and opposite reaction
What is force?
push or pull of any kind
What is Motion?
a change of position of an object
A cookie on the table will stay on the table until Santa comes to eat it
1st Law
A rollercoaster at the top of its point would be considered as
PE
What is Newtons 1st law considered as...
The law of inertia
What is Newtons 2nd law considered as?
The law of acceleration
What is Newtons 3rd law considered as?
action/reaction
What are the two types of forces?
Balanced and Unbalanced forces
What is speed?
How fast an object changes its position;rate.
You are skating - you and a friend run into each other and go in opposite
3rd Law
What is potential Energy
The energy that is stored
Energy because of position
What kind(s) of objects have inertia?
all objects with mass
What are the two parts
of Newton’s second
law?
mass and acceleration
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
When jumping in the water, you pushed off a boat and it pushes off you
3rd Law
What is kinetic energy
energy of motion
An object in motion with a balance force will
a. change in motion
b. no change in motion
no change in motion
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
Newton's 3 Laws "nick names"
Inertia, Acceleration, and Action-Reaction
The measure of how quickly something moves or the distance it moves in a given amount of time is called
speed
It takes less force to accelerate a car than it does a large truck
2nd
If you hit a volleyball up into the air, you are increasing its
potential energy
resist
Which one is easier to pull, a wagon with one kid sitting in it or the same wagon but with
three kids sitting in it?
1 kid in the wagon
When a cannon fires a cannonball we observe Newton's third law. Which is the reaction force?
The cannon moving backwards
1000 pts BONUS QUESTION
What is the net force of an object that is not moving?
0 N
All forces act in
pairs
You are riding a horse; the horse stops, but you continue moving forward
1st
As you stretch a rubber band you are increasing
Potential energy