Using the triangle law method, determine the magnitude and direction of the force F that maintains the 30 kg package shown in equilibrium. Note that the force exerted by the rollers on the package is perpendicular to the incline. Please make sure to draw your FBD. And show your Triangle forces

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Free undamped vibrations

Whenever an object/system displaces in either side of its equilibrium position with the help of an external/internal means, then the object/system moves regularly or randomly on both sides of its equilibrium position. This motion is called vibration. Generally, there are three types of vibration: longitudinal vibration, transverse vibration, and torsional vibration.