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How do machines move heavy loads?. What is a fulcrum and what is it for?. Why does a car move faster when the incline is steeper?. Macintosh Systems Computers are like people, each one is different.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.