block of mass M is hung by ropes as shown. The system is in equilibrium. The point O represents the knot, e junction of the three ropes. Which of the following statements is true concerning the magnitudes of the ree forces in equilibrium? 30° 30° M

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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!