Bob is pulling a box of his toys of mass 15.0 kg along a rough horizontal surface for a distance of 6.00 m. The tension force in the rope is 58.0 N and the angle is 30° with respect to the horizontal. The frictional force on the box is 18.0 N.  How much work is done on the box by its weight force, in Joule? Use g = 10.0 m/s2.

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Chapter1: Units, Trigonometry. And Vectors
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Bob is pulling a box of his toys of mass 15.0 kg along a rough horizontal surface for a distance of 6.00 m. The tension force in the rope is 58.0 N and the angle is 30° with respect to the horizontal. The frictional force on the box is 18.0 N.  How much work is done on the box by its weight force, in Joule? Use g = 10.0 m/s2.

Your answer needs to have 3 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.

The image depicts a person pulling a box filled with various items using a rope. The box contains objects like a bat, a basketball, and what appears to be a blue and red toy or ball, among others. The individual is positioned to the right, pulling the rope at an angle.

**Educational Explanation:**

This illustration is an example of a basic physics concept: forces acting on an object. The person pulling the box applies a force via the rope, which helps overcome friction between the box and the surface it rests on, allowing movement. The angle of the rope also introduces an upward component of force, which slightly reduces the normal force between the box and the ground. Understanding this can help in comprehending principles related to work, energy, and simple machines like the lever (in this case, the person acts as a lever by applying force at a distance from the box).
Transcribed Image Text:The image depicts a person pulling a box filled with various items using a rope. The box contains objects like a bat, a basketball, and what appears to be a blue and red toy or ball, among others. The individual is positioned to the right, pulling the rope at an angle. **Educational Explanation:** This illustration is an example of a basic physics concept: forces acting on an object. The person pulling the box applies a force via the rope, which helps overcome friction between the box and the surface it rests on, allowing movement. The angle of the rope also introduces an upward component of force, which slightly reduces the normal force between the box and the ground. Understanding this can help in comprehending principles related to work, energy, and simple machines like the lever (in this case, the person acts as a lever by applying force at a distance from the box).
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