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James watt
year 3000
The modern mechanical cotton gin was invented in 1793 by Eli Whitney
Chicago mechanical engineer Whitcomb L. Judson invented the zipper in 1891.1844
The Monster Energy Drink was invented in 2002
Cyrus McCormick invented the mechanical reaper in 1834.
potiental energy
The mechanical action structure of the upright piano was invented in London by Robert Wornum in the year 1826. The upright models became the most popular model of pianos.
Motors convert electrical energy to mechanical energy. Generators transfer mechanical energy to electrical energy.
Mechanical energy is equal to potential energy plus kinetic energy in a closed system. The total mechanical energy is conserved.
who invented the first mechanical digital calculator
a mechanical energy is a kind of energy