It is desired to balance in a plane, using two masses, an imbalance of 320 gr cm. If mass 1 is 30 grams, with L1= 5 cm and theta1= 12 degrees, what should mass 2 be, in grams, if theta2= 18 degrees and L2 has a value of 15.9 cm?

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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.