A stepladder consisting of two legs pinned together at C is resting on a rough floor. The uniform legs AC and BC weigh 17 kg and 12 kg, respectively. The coefficient of static friction at A and B is 0.48. What is the maximum weight of the worker (in kg) to avoid slipping while changing the light-bulb? (Hint: Only one leg will slide at a time) *Write your answer in two decimal places.

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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!