An iron bar has more mass than a plastic bar of the same volume. so the iron bar will have greater inertia. a. true b. false

The response is False, both bars, iron bars and plastic bars have de same inertia, this characteristic does not depend on the type of material, the inertia depends on his transverse section, since we can estimate in the following formula

Area moment of inertia Ixx = BH3/12

Area moment of inertia Iyy= HB3/12

hypothesising or postulating

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