  V103. Video
Demonstrations: Newton's Second Law
Prerequisite: Read 5.3,4. The airplane in the photo slows down under the influence of the external forces of air and water friction, also called drag forces. The deceleration depends on the magnitude of the net, external force on the plane and the mass of the plane. In symbols, a = Fnet/m. You'll learn about the different types of forces and Newton's Second Law in the videos below. Do the WebAssign assessment afterwards.
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