state the theorom of pependicular axes
Answers
Explanation:
The perpendicular axis theorem states that the moment of inertia of a thin planer body about an axis perpendicular to the plane is the sum of the moment of inertias of the same body about axes on the plane and perpendicular to each other and intersecting on a common point.
For any plane body (e.g. a rectangular sheet of metal) the moment of inertia about any axis perpendicular to the plane is equal to the sum of the moments of inertia about any two perpendicular axes in the plane of the body which intersect the first axis in the plane.
This theorem is most useful when considering a body which is of regular form (symmetrical) about two out of the three axes. If the moment of inertia about these axes is known then that about the third axis may be calculated.