Question: Let T be the triangular lamina in Figure 23 and assume P = 6. (a) Show that the horizontal cut at height y has length

Let T be the triangular lamina in Figure 23 and assume P = 6.
(a) Show that the horizontal cut at height y has length 4 − 2/3 y and use Eq. (2) to compute M_x(with ρ = 1).
(b) Use the Symmetry Principle to show that M_y= 0 and find the center of mass.

-2 PI 2 X

of y(length of horizontal cut) dy Mx = p = P y(81(y)-82(y)) dy

-2 PI 2 X

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