9. Work & Energy
Net Work & Work-Energy Theorem
Problem 7.100d
Textbook Question
Textbook QuestionA 2.0-kg block slides across a rough surface with a constant coefficient of kinetic friction of 0.50 (Fig. 7–38a). The block starts at x= 0 with an initial velocity of 4.9 m/s. Pushing the block is a force directed at 36.8° below the horizontal and whose magnitude increases with position as shown in Fig. 7–38b.
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(d) Draw a line on the graph showing the magnitude of the friction force versus distance x.
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