Block B in the figure weighs 739 N. The coefficient of static friction between block and table is 0.33; angle 0 is 32°; assume that the ord between B and the knot is horizontal. Find the maximum weight of block A for which the system will be stationary. Knot B

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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!