I need only a) part Q7a)Determine the moment of inertia of the shaded region shown with respect to x axis. 240 mm r = 90 mm 120 mm

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I need only a) part
Q7a)Determine the moment of inertia of the shaded region shown with respect to x axis.
240 mm
r = 90 mm
120 mm
b)A uniform ladder of 250 N weight rests on the smooth vertical wall and rough horizontal ground
making an angle of 45° with the horizontał ground. Find the frictional force of the ground using
principle of virtual work.
Transcribed Image Text:I need only a) part Q7a)Determine the moment of inertia of the shaded region shown with respect to x axis. 240 mm r = 90 mm 120 mm b)A uniform ladder of 250 N weight rests on the smooth vertical wall and rough horizontal ground making an angle of 45° with the horizontał ground. Find the frictional force of the ground using principle of virtual work.
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