The concept that a machine can be decomposed into simple movable things led Archimedes to define the lever, pulley and screw as simple machines. The Industrial Revolution was a period from 1750 to 1850 exactly where modifications in agriculture, producing, mining, transportation, and know-how had a profound effect on the https://ez-bookmarking.com/story13281281/how-much-you-need-to-expect-you-ll-pay-for-a-good-simple-machines-video-for-kids