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Explain the following terms in short:
(i) Radius of Gyration
(ii) Work-Energy principle
(iii) Types of impact
(iv) Theorem of parallel lines
(v) Angle of repose
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(i) Radius of Gyration
Consider an area A which has moment of Inertia IX with respect to x-axis. Let us imagine this area A to be concerntrated into a thin strip parallel to x-axis, such that it has the same moment of inertia IX.
From definition, $I_x=Ak_x^2 $ where kx …