The first ariplanr was made December 17, 1903
The simple machine that is not correctly matched with its appropriate task is the inclined plane because there is no such big ramp that is as high as 1 storey building, the appropriate task would be Lifting a heavy box and moving it across a room. and for the pulley : <span>Moving a heavy box up to the second floor of a building.</span>
The waves that occur when you drop and stone into the water when skipping rocks
mediums only, mechanical waves always propagate through medium
