Answered: (a) Draw the force diagram for the wood…

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

A rectangular wooden block of mass M = 23.9 g floats in water and a
copper cube of mass m = 71.4 g and side length a = 2.0 cm is attached to
the bottom of the wood block by a string and is completely submerged in
the water. The density of water is 1000 kg/m3, the density of copper is
8920 kg/m3
(a) Draw the force diagram for the wood block. Clearly label the forces.
(b) Draw the forces on the steel cube. Clearly label the forces.
(c) True/False: The buoyant force on the steel cube is equal to its weight. Justify your answer.
(d) True/False: The buoyant force on the steel cube is less than its weight. Justify your answer.
(e) Calculate the tension in the string.

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