Motion
More Motion
How do Forces Affect Motion?
Work and Energy
Machines
100
the location of an object
What is position?
100
A force that works against motion
What is friction?
100
When a batter hits a baseball, he or she applies this. It's a push or pull that can move a still object or stop a moving object.
What is force?
100
A force used to move an object a certain distance.
What is acceleration?
100
A machine with only a few parts.
What is a simple machine?
200
How far apart two points or places are
What is distance?
200
the force that pulls objects together
What is gravity?
200
If a tug-of-war game is being played between two classes, and the classes pull with equal force, the rope does not move.
What is balanced forces?
200
The ability to do work.
What is energy?
200
A simple machine that has two parts.
What is a lever?
300
The speed and direction an object is moving. If a train's speed is 300 km/hr and it's moving to the west,
What is velocity?
300
position, speed, and velocity
What are ways to describe motion?
300
Forces that are not equal to each other. These call a change in motion.
What are unbalanced forces?
300
stored energy
What is potential energy?
300
a two-part simple machine
What is a wheel and axle?
400
Size, mass, and shape effect this force. The tendency of an object in motion to stay in motion, or an object at rest to stay at rest
What is inertia?
400
A roller coaster has this type of energy when it moves up or down a ramp.
What is kinetic energy?
400
The ability to do work. It can either be potential or kinetic. It can be transferred from one object to another.
What is energy?
400
Two or more simple machines
What is a compound machine?
500
A speed skater moves to the left as the track curves.
What is acceleration?
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