9.30 | A person working at a drafting board may hold her head as shown in Figure 9.39, requiring
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9.31 | We analyzed the biceps muscle example with the angle between forearm and upper arm set at
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9.17 | To get up on the roof, a person (mass 70.0 kg) places a 6.00-m aluminum ladder (mass 10.0 kg)
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Centripetal Force Physics Problems - Calculate Tension & Maximum Speed - Uniform Circular Motion
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9.28 | The upper leg muscle (quadriceps) exerts a force of 1250 N, which is carried by a tendon over
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9.36 | Suppose we replace the 4.0-kg book in Exercise 9.31 of the biceps muscle with an elastic
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10.3 | You have a grindstone (a disk) that is 90.0 kg, has a 0.340-m radius, and is turning at 90.0
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9.37 | What force should the woman in Figure 9.44 exert on the floor with each hand to do a push-up?
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