Question

What should be the speed of earth so that wt of an object becomes zero at equator?

Answer 1

I hope help you
(Centrifugal force is a fictitious force that shows up in the equations of motion for anobject in a rotating reference frame - such as on Earth's Equator.) ... This means that the centripetal acceleration at the Equator is about 0.03 m/s2 (metres per second squared).
please mark brain list ♥♥♥♥♥