Three masses are attached to a 100-meter long beam as shown below. The mass of the bea, is 210 kilograms and the masses m1 and m3 are valued at 50 kilograms and 300 kilograms, respectively. Find the mass m2 that balances the system in Sl units. 30 m 40 m 30 m m2 m3

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!