Problem: An object of mass 1.2kg is placed 0.1m from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coefficient of static friction between the object and the table is 0.14.
Part I: Find the number of revolutions per minute at which the object just starts to slide off.
I need help to find the number of revolutions per minute at which the object just starts to slide off.