Question: A crate is placed on an inclined board as shown in Figure P4.11. One end of the board is hinged so that the angle Î¸

A crate is placed on an inclined board as shown in Figure P4.11. One end of the board is hinged so that the angle Î¸ is adjustable. If the coefficient of static friction between the crate and the board is µ_S= 0.30, what is the value of u at which the crate just begins to slip?

Figure P4.11

Hinge

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