Задача id9885

A homogeneous thin beam AB with a mass of 100 kg rests at one end on a smooth horizontal floor and at the other on a smooth plane inclined at an angle of 30° to the horizontal. The end of beam B is supported by a rope with a load thrown over block C. Determine the mass of the load and the normal reaction forces of the floor and the inclined plane. Neglect friction in the block.

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