The Way Things Work Inclined Planes

Dropping boulders off a tower makes gravel for the Mammoth Island roads, but lifting the boulders up to the top of the tower is difficult and dangerous. A young Mammoth Islander suggests that rolling boulders up a ramp would be easier than hauling them up a tower.

Bibliographic Details

Corporate Authors:	Millimages S.A, Schlessinger Media, Pearson Broadband
Other Authors:	Zamora, Diego, Macaulay, David
Format:	Videos DVD
Language:	English Spanish
Published:	Wynnewood, PA : Schlessinger Media, [2003], c2002.
Subjects:	Inclined planes > Juvenile films. Wedges > Juvenile films. Simple machines > Juvenile films. Physics > Juvenile films. Educational films > Juvenile.
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