Wednesday
April 23, 2014

Homework Help: Physical Science

Posted by Rodolfo on Thursday, May 12, 2011 at 7:13pm.

when you operate a machine, is often easy to observe cause and effect. for example, when you turn a doorknob, the latch in the door moves. give five examples of machines and describe one cause-and-effect pair in the action of each machine.

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