Vocabulary
Examples
Laws of Motion
Vocabulary II
Illustrations/Examples
100
forces that are equal, but in opposite directions
What is balanced forces?
100
55 miles per hour is an example of this
What is speed?
100
For every action there is ...
What is "an equal and opposite reaction"?
100
any push or pull
What is force?
100
a rolling tennis ball can be stopped with much less force than a rolling bowling ball because of this
What is momentum?
200
the energy of motion
What is kinetic energy?
200
20 miles per hour in a southeastern direction is an example of this
What is velocity?
200
"An object at rest will remain at rest unless...."
What is "acted on by a force"?
200
energy an object has because of its position or condition
What is potential energy?
200
pulling the table cloth out from under dishes can be done because of this
What is inertia or the first law of motion?
300
any force that resists/rubs when two surfaces rub against each other
What is friction?
300
an object's place or location
What is it's position?
300
An object in motion will continue in motion at a constant speed, until this happens.
What is a force acts on it?
300
measure of how hard it is to slow down or stop an object
What is momentum?
300
a bullet tossed to you at 0.05 mph is "catch-able", but a bullet traveling at 200 mph is lethal because of this law
What is the second law of motion?
400
any change in motion or velocity
What is acceleration?
400
a rolling ball hits a wall and stops is an example of this law
What is an example of the first law of motion?
400
According to the second law of motion, "The greater the mass of an object, ..."
What is "the greater the force needed to move/act on it" ?
400
When one force is greater than its opposite force, you have this
What is unbalanced forces?
400
one with a greater momentum....a transfer truck or a moped
What is a transfer truck?
500
property of matter that keeps it moving in a straight line or keeps it at rest
What is inertia?
500
a rocket that blasts out exhaust and lifts off from the ground is an example of this law
What is the third law of motion?
500
According to the second law of motion, mass and this affect the acceleration of an object.
What is size and/or direction of the force?
500
measure of the distance an object travels in a given amount of time
What is speed?
500
two ways to make a k'nex vehicle travel faster
What is add more washers to a falling weight system, wrap a rubber band around the axle lots of times, or add an aerodynamic sail?
M
e
n
u