Andy is pushing a 150 ib box across the floor by applying a force of 500 N down

Question

Andy is pushing a 150 ib box across the floor by applying a force of 500 N down and to the right, at an angle of 25 degree 25* to the horlront.il direction. The coefficient of friction (both static and dynamic) between the box and the floor is 0.4. Insert the relevant FBD here: Full points will be awarded for the correct answer to the following question: What will be the box's acceleration? If the full credit cannot be awarded, then partial credit will be awarded for the correct an following questions: What is the weight of the box in SI units? What is the mass of the box in SI units?. What is the magnitude of the vertical component of the force Andy is applying? What is the direction of the vertical component of the force Andy is applying? What is the magnitude of the Normal force produced by the floor? What is the magnitude of the force of friction acting on the box? What is the horizontal component of the force Andy is applying? What is the total force in the horizontal direction acting on the box? What is the acceleration of the box?

Explanation / Answer

mass = 150 lb or 68.0389 kg

weight = mass * g

weight = 68.0389 * 9.8

weight = 666.78122 N

vertical component = 500 * sin(25)

vertical component = 211.309 N

direction of the vertical component is toward down

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