Hi guys... So i searched the net for 2 whole days and found a couple of topics on how static friction is responsible for creating the force required to keep the body moving in a circle.. Friction points towards the center of the circle ONLY when the car is free wheeling i.e moving at a constant speed. But didn't found much on what is its direction when car is actually accelerating during the circular motion. First of all i want to see if my concepts area clear.. hope you guys can help.. 1) When a car is moving linearly with an acceleration... the torque produced by the engine is delivered to the wheels, they push the ground backwards as a result the friction pushes forward. This means that friction is actually opposing the rotation of the wheels but the torque produced is enough to overcome it, hence a net force in the forward direction.. Now if the person removes his foot from the gas pedal.. the car stops after travelling a certain distance. This is due to the rolling resistance caused by the deformation produced when 2 bodies are in contact. Note ( static friction is still pointing forward but together with rolling resistance helps to stops the rotation of the wheel). Is this right? 2) Now when the car makes a turn and is in Uniform Circular motion and not sliding/slipping ( constant speed ) the car tends to move tangentially ( hence radially outward ) due to inertia, hence friction acts towards the center producing the centripetal force. Now i found a diagram ( given below ) and i wanna know if this is correct or not. According to it This net friction inwards can be resolved into the friction force that opposes sliding outwards from the curve ( blue vector) and and the friction as a result of the tires pushing backwards ( red vector).. Spoiler: diagram taken from here https://www.physicsforums.com/threads/how-does-friction-causes-centripetal-acceleration.673274/ Is the blue vector opposite to the tangential direction the car tends to move in? ( i think yes ) 3) Now if we suppose that the car is in non uniform circular motion, hence accelerating then where does the friction point? since the net acceleration point in between the centripetal and tangential, i guess that's where the friction points, in the direction of the net acceleration.