In the figure, a 0.25 kg block of cheese lies on the floor of a 970 kg elevator cab that is being pulled upward by a cable through distance di = 2.3 m and then 10.0 m. (a) Through d1, if the normal force on the block from the floor has constant magnitude FN = 3.91 N, how much work is done through distance d2 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 91.34 kJ, what is the magnitude of FN? (a) Number Units (b) Number Units

In the figure, a 0.25 kg block of cheese lies on the floor of a 970 kg elevator cab that is being pulled upward by a cable through distance di = 2.3 m and then 10.0 m. (a) Through d1, if the normal force on the block from the floor has constant magnitude FN = 3.91 N, how much work is done through distance d2 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 91.34 kJ, what is the magnitude of FN? (a) Number Units (b) Number Units

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

In the figure, a 0.25 kg block of cheese lies on the floor of a 970 kg elevator cab that is being pulled upward by a cable through distance di
= 2.3 m and then
10.0 m. (a) Through d1, if the normal force on the block from the floor has constant magnitude FN
= 3.91 N, how much work is done
through distance d2
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 91.34 kJ, what is the magnitude
of FN?
(a) Number
Units
(b) Number
Units

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