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Example 3: Work

The object in Example 2 is lying horizontally on the ground. Find the work required to stand the object up with the hypotenuse of the triangle on the ground (Figure 12.4.6).

12_multiple_integrals-229.gif

Figure 12.4.6

We use the formula 

W = mgs.

From Example 2, m = ½. We must find s.

12_multiple_integrals-227.gif


Last Update: 2006-11-15