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An object is formed by attaching a uniform, thin rod with a mass of mr =...

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Physics

An object is formed by attaching a uniform, thin rod with a massof mr = 7.1 kg and length L = 5.28 m to a uniform sphere with massms = 35.5 kg and radius R = 1.32 m. Note ms = 5mr and L = 4R.

I have the first couple questions right, but I can't figure outthe next one.

The moment of inertia of the object about an axis at the leftend of the rod is 1637.1 kg*m^2

If the object is fixed at the left end of the rod, the angularacceleration if a force F = 435 N is exerted perpendicular to therod at the center of the rod is .7047

*What is the moment of inertia of the object about an axis atthe center of mass of the object? (Note: the center of mass can becalculated to be located at a point halfway between the center ofthe sphere and the left edge of the sphere.)

If the object is fixed at the center of mass, the angularacceleration if a force F = 435 N is exerted parallel to the rod atthe end of rod is zero.

What is the moment of inertia of the object about an axis at theright edge of the sphere?

Answer & Explanation Solved by verified expert
3.6 Ratings (345 Votes)
Given that mass of the rod mr 71 kglength of the rod L 528 mmass of the sphere ms 355 kgradius of the sphere r 132 ma The moment of inertia of the object about an axis at theleft end of the rod which is given as moment of inertia for rod at the center ICM 112 mrL2 eq1 inserting the values in above eqICM 112 71 kg 528 mICM 165    See Answer
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