You pull a 40.0 kg box through a rope across the floor at a constant speed. The magnitude of your force is 50.0N and the angle between the rope and the horizontal is 30 degrees. Sketch all forced on the box. WHat is the magnitude of friction on the box? What is the magnitude of the normal force by the floor on the box? Use g = 9.8 m?m/s^2.  c) in the above case, what work was done by you on the box when the box is moved across 10.0m?

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Q: None

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.