A dime is moving in a circular trajectory with constant speed on a rotating table as shown below. The angular velocity is in the +z direction (out of the computer screen). In which direction is the tangential velocity vector for the dime? Top view A. Into the first quadrant B. Into the second quadrant C. Into the third quadrant D. Into the fourth quadrant 26. Refer to the sketch in the previous question. In which direction is the friction force acting on the dime? A. Into the first quadrant B. Into the second quadrant C. Into the third quadrant D. Into the fourth quadrant

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.