Determine the fit functions that best represent the position vs. time graphs in the x and y directions.   Determine the acceleration as the block slides down the track for a given angle.   Graph the magnitude of the kinetic frictional force versus the magnitude of the normal force for one block mass and the different angles you used.   How does the magnitude of the kinetic frictional force on an object depend on the normal force on the object?    What role does the kinetic frictional force play as the crates go sliding down the ramp?

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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.