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Question-76809




Question Number 76809 by Rio Michael last updated on 30/Dec/19
Commented by Rio Michael last updated on 30/Dec/19
I_q  is the moment of inertia of a uniform rod  AB of mass m about its centre and I_p  is the   moment of inertia about the axis shown above.  I_p  =   A. a^2  + I_q   B. ma + I_q   C. m + I_q   D. ma^2  + I_q
$$\mathrm{I}_{\mathrm{q}} \:\mathrm{is}\:\mathrm{the}\:\mathrm{moment}\:\mathrm{of}\:\mathrm{inertia}\:\mathrm{of}\:\mathrm{a}\:\mathrm{uniform}\:\mathrm{rod} \\ $$$$\mathrm{AB}\:\mathrm{of}\:\mathrm{mass}\:\mathrm{m}\:\mathrm{about}\:\mathrm{its}\:\mathrm{centre}\:\mathrm{and}\:\mathrm{I}_{\mathrm{p}} \:\mathrm{is}\:\mathrm{the}\: \\ $$$$\mathrm{moment}\:\mathrm{of}\:\mathrm{inertia}\:\mathrm{about}\:\mathrm{the}\:\mathrm{axis}\:\mathrm{shown}\:\mathrm{above}. \\ $$$$\mathrm{I}_{\mathrm{p}} \:=\: \\ $$$$\mathrm{A}.\:\mathrm{a}^{\mathrm{2}} \:+\:\mathrm{I}_{\mathrm{q}} \\ $$$$\mathrm{B}.\:\mathrm{ma}\:+\:\mathrm{I}_{\mathrm{q}} \\ $$$$\mathrm{C}.\:\mathrm{m}\:+\:\mathrm{I}_{\mathrm{q}} \\ $$$$\mathrm{D}.\:\mathrm{ma}^{\mathrm{2}} \:+\:\mathrm{I}_{\mathrm{q}} \\ $$
Commented by mr W last updated on 30/Dec/19
D.  but this is very clear.
$${D}. \\ $$$${but}\:{this}\:{is}\:{very}\:{clear}. \\ $$
Commented by Rio Michael last updated on 30/Dec/19
thanks sir
$$\mathrm{thanks}\:\mathrm{sir} \\ $$

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