move by themselves. Non living things need push or a pull to be able to move.
Such push or a pull is called a force.
It can make moving object to move faster if it is slow and move slower if it is
fast. A force can also make a moving...
Engineering, Power transmission is harnessing the mechanical elements and put
them at work. WORK is to perform and succeed, producing good results. Power
transmission elements can vary from Screws, Wedge,...