 ... constant. Let x,, y,, z, be the co-ordinates of the centre of gravity of a flat plate having its middle plane coincident with the given cross-section. Then, by reasoning similar to that of Articles 74 and 78, we find the following results for the...  A Manual of Applied Mechanics - الصفحة 52بواسطة William John Macquorn Rankine - 1872 - عدد الصفحات: 648عرض كامل - لمحة عن هذا الكتاب
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...equations of motion of a body in three dimensions, referred to axes whose directions are fixed. If (x, y, z) be the coordinates of the centre of gravity of the d"X body we have, by Art. 162, M -^ = sum of the components of o,t the impressed forces parallel... | |
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