[填空题]
Show that on a roller cop(bm,kxn1 k -gaster with a cikevluzip,9qy: v s56.m ur)1j rcular vertical loop (Fig. 6–44), the difference in your apparent weight at the top of the circular loop and thr)k961vp lz:yj5i sq uum.ev ,e bottom of the circular loop is 6 g’s — that is, six times your weight. Ignore friction. Show also that as long as your speed is above the minimum needed, this answer doesn’t depend on the size of the loop or how fast you go through it. mg
