Vocabulary
Energy due to motion is _________ energy.
Kinetic
A skier skiing through flags in a race down the mountain.
What is the formula for calculating speed?
Distance/Time
What is an inclined plane?
A ramp; one end is higher than the other.
What is the unit of measurement for force?
Newtons.
__________ is stored energy.
Potential
A lamp sitting on the shelf.
Balanced
The measure of a space between two places is _____.
Distance
Which requires less force? Stairs or a ramp?
A ramp
How do you calculate the average speed of an object?
Distance/Time
Force is __________________.
A force of 30 N to the right & 50N to the left would be a net force of what?
20N.
What is the speed of a man walking 21ft in 3 minutes.
7ft/min
If you increase the height of an inclined plane, the force needed to move the object ___________.
Increases
A force of 30N to the right & 10 N to the right would be?
An unbalanced force of 40N to the right
The force on an object that causes a change in motion is an __________________.
Unbalanced Force
A force of 100N down and 100N up, would be a net force of what?
0N
What is the unit for time when we discuss speed while driving?
Hours
If an inclined plane becomes longer, the force needed to move the object_______________.
Decreases
Potential energy depends on the ________ and ________ of the object.
Height & Mass
The overall force on an object is the ___________.
Two ice skaters moving in a straight line at constant speed.
Unbalanced.
_________ can be plotted on a graph with time on the horizontal axis and distance on the vertical axis.
An inclined plane reduces the amount of force needed to move an object by _______________.
increasing the distance the object moves
The car has the most potential energy at the top, and it has the most kinetic energy at the bottom (the valley part).