Model No. ME-9838
Hovercraft
7
®
Newton's 3
rd
Law
Additional Equipment Required:
•
Air Source (SE-8806)
•
Xplorer GLX (PS-2002)
•
PASPORT Force Platform (2) (PS-2141)
Procedure:
1.
Ask several students to stand about 5 meters from the Hovercraft to observe its motion.
2.
Another student should be designated as the "catcher" to stop the Hovercraft.
3.
The "pusher" should hold the Force Platform perpendicular to the ground.
4.
The "rider" should place the other Force Platform up against the pusher's.
5.
The pusher should provide a force to the rider for about 1 second.
6.
After moving across the floor for about 5 seconds, stop the Hovercraft.
Questions:
1.
Describe the motion both during and after the push.
2.
Use the data from the Force Platforms to produce a graph with both the pusher's force and
the rider's force.
3.
Draw a force diagram for the rider during the push.
4.
Draw a force diagram for the pusher during the push.
5.
Formulate a general rule about size and direction of forces between objects.
