a plumb bob at the equator hangs exactly on a line directed to the centre of the earth. This is not true everywhere on the earth's surface why is this so? How can i determine how far off a true plumb bob hangs in capetown? South Africa ( Circular Motion)

Question

vincent-lyon.fr · Answer

Hint: the plumb bob is fixed relative to the Earth, which is rotating relative to the stars.

anonymous · Answer

gravitational acceleration is directed through the center of mass of an object. rotational acceleration is directed at the axis of rotation and is orthogonal to it.