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Q. A uniform diving board, of length 5.0 m and mass 52 kg, is supported at two points; one support is located 3.4 m from the end of the board and the second is at 4.6 m from the end. What are the forces acting on the board due to the two supports when a diver of mass 63 kg stands at the end of the board over the water? Assume that these forces are vertical.

Q. Describe viscosity and surface tension in terms of intermolecular forces. Under which conditions (stronger or weaker IMF) will viscosity and surface tension increase?

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