[填空题]
Show that on a roller coaster wixn 3e v+f:2k.u:jo 3x, ljjprmth a circk1 ed5r ba3 rn.d-o,voular vertical loop (Fig. 6–44), the difference in your apparent weight at the top of the circular loop and the 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 eook .r,3d5 1bnar-dvthe loop or how fast you go through it. mg
