Motion
Newton's Laws
Force
Work and Simple Machines
Energy
100
Speed = Distance / Time
What is the formula for speed?
100
The force pulling objects toward the earth.
What is gravity?
100
The unit of measurement for force.
What is a Newton?
100
The unit of measurement for efficiency.
What is percent?
100
The unit of measurement for energy.
What is Joules?
200
Acceleration = Final speed - Initial speed / Time
What is the formula for acceleration?
200
The rate of acceleration of gravity.
What is 9.8m/s2?
200
What the size of the force arrow represents.
What is the strength of the force?
200
A belaying rope for a climber is this simple machine.
What is a pulley?
200
Energy that is stored.
What is potential energy?
300
Speed and direction
What is velocity?
300
What Newton's 3rd law says about the strength of a reaction force exerted back on the action force.
What is it is equal?
300
The part of the arrow representing the direction of a force.
What is the head (or pointy part)?
300
The lever class of a diving board.
What is a second class lever?
300
The kind of energy at work when machine parts are moving.
What is mechanical energy?
400
Increasing, Decreasing, or changing direction.
What is acceleration?
400
According to Newton's 2nd law, an object will have this if it has high mass and high velocity.
What is momentum?
400
The force of one object rubbing against another object.
What is friction?
400
The output force of a machine.
What is the amount of weight or force moved by the machine?
400
When a ball is thrown up in the air the place where it has the greatest potential energy.
What is at its highest point?
500
An explanation of why a satellite such as the moon is accelerating.
What is it is changing direction?
500
The tendency of and object to resist change in motion.
What is inertia?
500
The result of unbalanced forces acting in opposite directions.
What is move something?
500
The input distance when calculating efficiency?
What is the distance a person moves?
500
The factor that most affects kinetic energy.
What is velocity?
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