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(Solved by Expert Tutors) A certain weighing scale calculates the massof an object by ?rst> <


measuring the normalforce exerted by the object on the scale andthen dividing it by the standard value of g =9.8 m/s2. For a given object, the scale reads30 kg on the surface of the earth at the NorthPole, which is at a distance 6357 km from thecenter of the earth.Calculate the reading on the scale for thesame object at the equator, which is at a distance 6376 km from the surface of the earth.Assume that the force of gravitational attraction on any object on the surface of theearth is given by Fg = GMem/R2, where Me and m are the masses of the earth andthe object respectively, and R is the distance between the location of the scale andthe center of the earth. Also assume that theearth takes precisely 24 hours to complete afull rotation about its axis of rotation. LetG = 6.673 ? 10?11 m3/(kg ? s2)Answer in units of k

 


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Apr 19, 2020

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