例句與造句

1. Two objects connected by an ideal hinge rotate relative to each other about a fixed axis of rotation.
2. :I know that the OP said " constant angular velocity ", but, to expand on SteveBaker's comment and answer the question implied in the heading, when the torque is unapposed it is equal to rate of change of angular momentum i . e . "'torque = moment of inertia times rate of change of rotational speed "'. ( assuming a fixed axis of rotation )"
3. It's difficult to find fixed axis of rotation in a sentence. 用fixed axis of rotation造句挺難的