The instantaneous axis of rotation is defined as which below?
A. when a force moves through a rigid body, there is a specific axis fore line moving through
B. A rigid body has a specific point where all rotation occurs through that point
C. Each degree of freedom has its own point in which that movement occurs about a rigid body.
D. When a rigid body moves in a plane at every instant there is a point in the body of it that does not move
Answer: D