Answer to Question #143541 in Physics for Nielle

Question #143541

A mobile is constructed of light rods, light strings, and beach souvenirs. If m4=12g,find values for (a) m1(b) m2 and (c) m3.

Expert's answer

a)

m_4d_5=m_1d_6\\(2.4)(12)=(3.2)m_1\\m_1=9\ g

b)

m_2d_3=(m_1+m_4)d_4\\(4.9)(12+9)=(1.4)m_2\\m_2=73.5\ g

c)

m_3d_2=(m_1+m_4+m_2)d_1\\(3.2)(12+9+73.5)=(4.9)m_3\\m_3=61.7\ g

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