February 20, 2017

Homework Help: Physics

Posted by Olga on Monday, February 14, 2011 at 11:37pm.

The builders of the pyramids used a long ramp to lift 21000-kg (21-ton) blocks. If a block rose 0.86 m in height while traveling 20 m along the ramp’s surface, how much uphill force was needed to push it up the ramp at constant velocity?

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