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physica 6 A uniform board of length 90 cm is pivoted at a hinge at one end. It is kept level by an upward vertical

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6 A uniform board of length 90 cm is pivoted at a hinge at one end. It is kept level by an upward vertical force T applied at the opposite end. The weight of the board is 6 N. 90 cm 6N a Take moments about the hinge to calculate T when the board is level. Show your working. T = b The hinge exerts an upward force, F, on the board. Equate parallel forces to determine F when the board is level. Show your working. =

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