e., what on earth is attained in drive is shed in motion. Friction influences the mechanical benefit although not the velocity ratio (except in some mechanisms utilizing belts and idler pulleys). can be employed to turn a little drum. An increase in mechanical edge is often acquired by utilizing the significant drum to turn a little drum with more… Read More

????? ???????????? ??????? ???????????? ??????????? website ???????????????????? ??????? ??????????????/??????????? ??????? ????????????? ??????? ???????????? ??????/????????? ????? ?????? ???? ????? ???? ??? ??????? ????? ??????? ??????? ??????? ??????? ???????.? ???? ?????? ???? ??? ??????? ???? ??????? ???? ?????? ????? ??????? ????? ???????… Read More