Sally pulls on the rope shown below with a force of F. The rope forms an angle of 50° with the horizon. The horizontal surface has a coefficient of friction of 0.1. Sally accelerates at 0.4 m/s?. The mass of the box is 5 kg. A.Determine the magnitude of the force F. B.Determine how much work Sally does in moving the box 15 meters to the right. C.Determine how much work friction does as the box is moved 15 meters to the right.

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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.