Q1. In the figure, suppose the length of the uniform bar (from A to B) is L = 3.00 m and its weight is 200 N. The mass of the block that sits on top of the bar is m = 35 kg and the angle 0 = 30.0°. The wire (from B to C) can withstand a maximum tension of 500 N. (i) Draw a free-body diagram, showing all the forces acting on the bar. (ii) What is the maximum distance x before the wire breaks? With the block placed at x = 0.9 m what are: (iii) the horizontal and the (iv) vertical components of the force on the bar from the hinge at A?

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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!