Question

when a motor takes a sharp turn we tend to slip to one side of the car

Answer 1

It is because the body of the passengers tries for resisting the change exactly in the side of inertia. Hence, the passengers will slip for getting to one side of a car. When a motor makes a sharp turn at a high speed we tend to get thrown to one side due to the inertia of motion.

Answer 2

there is two force in physics centripital and centrifugal force that should be balenced thats it .U can study about these forces