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23 January, 07:53

An aluminum cylinder, of height h=2ocm and of radius r=1ocm, rests with its base on a horizontal table. Density of aluminum P=2700kg/m^3

a-calculate the weight of the cylinder take g=10N/kg

b-what is the value of the force exerted by the table on the cylinder?

c-deduce the magnitude of the force exerted by the cylinder on the table

d-calculate the pressure exerted by the cylinder on the table

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Answers (1)
  1. 23 January, 10:51
    0
    Defining z axis up:

    area of base of cylinder A = pi r^2

    where r = 20 cm =.20 meter

    height of cylinder =.10 meter

    volume of cylinder V = pi r^2 h

    = pi (.2) ^2 (.1)

    weight of cylinder W = g V = 10 V in Newtons

    b) + W

    c) - W

    d) W/A in Newtons/meter^2 or Pascals
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