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Aspring with a force constant of 120 N/m is used to push a

Chapter 6, Problem 28

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QUESTION:

Aspring with a force constant of 120 N/m is used to push a 0.27-kg block of wood against a wall, as shown in Figure 620.(a) Find the minimum compression of the spring needed to keep the block from falling, given that the coefcient of static friction between the block and the wall is 0.46. (b)Does your answer to part (a) change if the mass of the block of wood is doubled? Explain.

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QUESTION:

Aspring with a force constant of 120 N/m is used to push a 0.27-kg block of wood against a wall, as shown in Figure 620.(a) Find the minimum compression of the spring needed to keep the block from falling, given that the coefcient of static friction between the block and the wall is 0.46. (b)Does your answer to part (a) change if the mass of the block of wood is doubled? Explain.

ANSWER:

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