TOBY'S+FOUR+FORSE'S

=TOBY'S FOUR FORCES=
 * What are the four forces that affect an airplane?
 * Write the definition of each force
 * Describe what each one does to an airplane
 * How is thrust generated on an airplane?
 * Which of Newton’s Laws is used to thrust an airplane forward?
 * How is lift generated on an airplane?
 * What is an air foil?
 * What “principle” is thought to create the lift on an airplane?[[image:http://static.howstuffworks.com/gif/airplane-forces-labels.gif align="right"]]
 * What does drag do to an airplane?
 * Which of Newton’s Laws describes how drag slows down an airplane?
 * What is needed to keep a plane flying through the air?