(b) Figure 4 shows the 70 kg concrete block is pull by electric motor. The force or tension in cable is about F = (120r2) N, that the t is in seconds. By using Principle of Newton Law, determine the concrete block's velocity for t = 6 s. Assuming it is originally at rest and the coefficient of static and kinetic friction between the concrete bock and the floor surface are about us = 0.5 and uk = 0.4, respectively. [Rajah 4 menunjukkan blok konkrit 70 kg ditarik oleh motor elektrik. Daya atau tegangan dalam kabel adalah F = (120t2) N, yang mana t adalah dalam saat. Dengan menggunakan Prinsip undang-undang Newton, tentukan halaju blok konkrit untuk t = 6 s. Anggap keadaan asal blok konkrit adalah dalam keadaan rehat dan pekali geseran statik dan kinetik di antara blok konkrit dan permukaan lantai masing- masing adalah µs = 0.5 dan uk = 0.4.] Cable Concrete Block Motor Figure 4 [Rajah 4]
(b) Figure 4 shows the 70 kg concrete block is pull by electric motor. The force or tension in cable is about F = (120r2) N, that the t is in seconds. By using Principle of Newton Law, determine the concrete block's velocity for t = 6 s. Assuming it is originally at rest and the coefficient of static and kinetic friction between the concrete bock and the floor surface are about us = 0.5 and uk = 0.4, respectively. [Rajah 4 menunjukkan blok konkrit 70 kg ditarik oleh motor elektrik. Daya atau tegangan dalam kabel adalah F = (120t2) N, yang mana t adalah dalam saat. Dengan menggunakan Prinsip undang-undang Newton, tentukan halaju blok konkrit untuk t = 6 s. Anggap keadaan asal blok konkrit adalah dalam keadaan rehat dan pekali geseran statik dan kinetik di antara blok konkrit dan permukaan lantai masing- masing adalah µs = 0.5 dan uk = 0.4.] Cable Concrete Block Motor Figure 4 [Rajah 4]
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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answer question b) & c)
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