A toolbox, of mass M, is resting on a flat board, as shown in Figure 4-5. One end of the board is lifted up until the toolbox just starts to slide. The angle $\theta$ that the board makes with the horizontal, for this to occur, depends on the A) coefficient of kinetic friction, _k. B) coefficient of static friction, _s. C) acceleration of gravity, g. D) mass, M. E) all of the above quantities.

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The Answer of A toolbox, of mass M, is resting on a flat board, as shown in Figure 4-5. One end of the board is lifted up until the toolbox just starts to slide. The angle $\theta$ that the board makes with the horizontal, for this to occur, depends on the A) coefficient of kinetic friction, _k. B) coefficient of static friction, _s. C) acceleration of gravity, g. D) mass, M. E) all of the above quantities.

A Toolbox, of Mass M, Is Resting on a Flat θ\thetaθ

A Toolbox, of Mass M, Is Resting on a Flat $\theta$