11th Edition

ISBN: 9781119306887

Author: Halliday

Publisher: WILEY

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Textbook Question

Chapter 7, Problem 25P

GO In Fig. 7-34, a 0.250 kg block of cheese lies on the floor of a 900 kg elevator cab that is being pulled upward by a cable through distance d₁ = 2.40 m and then through distance d₂ = 10.5 m. (a) Through d₁, if the normal force on the block from the floor has constant magnitude F_N = 3.00 N, how much work is done on the cab by the force from the cable? (b) Through d₂, if the work done on the cab by the (constant) force from the cable is 92.61 kJ, what is the magnitude of F_N?

Chapter 7, Problem 25P, GO In Fig. 7-34, a 0.250 kg block of cheese lies on the floor of a 900 kg elevator cab that is being

Figure 7-34 Problem 25.

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Chapter 7 Solutions

FUND.OF PHYSICS

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