Question

Three workers push a wooden box full of materials to the edge of a cliff. Two of the workers (worker 1 and 2) exert the same magnitude of force of 102N when pulling the box 270 above horizontal (above their shoulders) toward the cliff. The third person (worker 3) exerts a force of 79.0N completely horizontal in the direction of the cliff. The workers and the box are on a wooden platform (µs = 0.5, µk = 0.3). Determine the acceleration of the box if it is moved horizontally toward the precipice. The mass of the box is 19.0 Kg. Note: The forces indicated correspond to the constant force that the workers maintain at the moment of overcoming the maximum static friction.

Answer 1

Respuesta:

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