An ideal inertia, depicted schematically in free-body diagram form in Fig. 2.13, moves in relation to a nonaccelerating rotational frame of reference, which is usually taken to be the earth (ground).

The goal of drive-system engineers is usually pretty straightforward. Specify the smallest motor and drive needed to accelerate and run a load at a required rate, and determine the braking forces ...

Universal joints, or u-joints are flexible mechanical connectors used to transmit rotary motion from one shaft to another shaft that is not in line with the first, or when alignment varies during ...