for the small body which can slide along the inclined plane without rotations and revolutions (only transitional motion) ;Use your mathematical model for a few different angles.(angles are 15,30,45) Consider the friction coefficient to be a constant. Compare the mechanical energy lost with the work made by the friction force and compare this lost with your experimental results. Is there any extra energy lost in your experiment? If yes, how you can explain it

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Central Force

Central force is the force that acts along the center of mass of one body to the center of mass of another body. Its direction from or away from a point on a body to another is called the center of the force. Such forces include gravitational force between two massive objects or electrostatic forces between two charged particles. So from atoms to planets, the central forces play an important role in shaping our daily lives. One of the remarkable features of central forces is that they are conservative, i.e. the total energy of a central force system can always be expressed as a gradient of a potential energy function.