Uses a variety of examples, from scissors and axes to zippers and hairpin turns, to demonstrate the power of the inclined plane and show how ramps and wedges make work and play easier.
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Uses a variety of examples, from scissors and axes to zippers and hairpin turns, to demonstrate the power of the inclined plane and show how ramps and wedges make work and play easier.
Read Less
Add this copy of Ramps and Wedges (Simple Machines) to cart. $3.00, very good condition, Sold by HPB Inc. rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 1996 by Rigby Interactive Library.
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Add this copy of Ramps and Wedges (Simple Machines) to cart. $27.73, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 1997 by Rigby Interactive Library.
