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NAME_________________________________ CLASS____________________
DATE____________
Newton's First Law Worksheet
- An F18 Hornet aircraft sits motionless on a runway
because of inertia. If that plane starts to move down the runway,
it means that there must be a force acting on it. Of the four main
forces that act on aircraft, which one is most likely to cause the
forward motion down the runway? ____________________
- Which of the four forces causes the airplane to become
airborne? ____________________
- Once the F18 Hornet is airborne, which force is equal to the
force of thrust?
____________________
- As the F18 Hornet travels at constant velocity, it burns fuel,
which decreases its weight. In response to this decrease, which of
the four forces is also likely to decrease?
____________________
- On the line below, draw the arrow that indicates thrust
force of the F18 Hornet pictured above:
________________
- On the line below, draw the arrow that indicates lift
force of the F18 Hornet pictured above:
________________
- On the line below, draw the arrow that indicates weight
force of the F18 Hornet pictured above:
________________
- On the line below, draw the arrow that indicates drag
force of the F18 Hornet pictured above:
________________
- Which one word defines Newton's First Law of Motion?
________________
Consider the situations below to determine whether or not the external forces
acting on the airplane are unbalanced and a net external force exists. Remember
that according to Newton's First Law, a plane will resist a change in its state
of rest or motion unless it is acted on by a force. Write the word force
next to the situations where a net external force acts.
- The F18 is flying at 200 mph at an elevation of 30,000 ft.
________________
- The F18 turns northeast at 200 mph and an elevation of 30,000
ft. ________________
- The F18 increases its speed to 220 mph at the same elevation.
________________
- The F18 continues flying at 220 mph at 30,000 ft.
________________
- The F18 drops to an elevation of 28,000 ft.
________________
- The F18 heads due east maintaining its speed and elevation.
________________