A Thin 2-Dimensional Object with Uniform Mass Density Is in the Shape

question 25

Multiple Choice

A thin 2-dimensional object with uniform mass density is in the shape of a square and has a mass of 2 kg.The sides of the square are 20 cm long each.The coordinate system is drawn with the origin at the center of the square.A point mass,m,of 200 g is placed at one corner of the square object and the assembly is held in equilibrium by positioning the support S at position (x,y) as shown in the drawing.Find the location of the support.

• A)(-0.5 cm,-0.5 cm)
• B)(-0.91 cm,-0.91 cm)
• C)(-0.8 cm,-0.8 cm)
• D)(-0.62 cm,-0.62 cm)
• E)(-0.35 cm,-0.35 cm)

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