Chapter 375*P3.63(a)Let Trepresent the force exerted by each child. The x-component of the resultant force isTTTTTTcoscoscos..01202401050+°=+−+−=afaf.The y-component isTsinsinsin..012024000 8660 8660++=+−=.Thus,F∑=0.FIG. P3.63(b)If the total force is not zero, it must point in some direction. When each child moves onespace clockwise, the total must turn clockwise by that angle, 360°N. Since each child exertsthe same force, the new situation is identical to the old and the net force on the tire must still
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