[填空题]
Show that on a roller coast.:uza q6y-y of6;jdw fer with a circular vertical loop (Fig. 6–44mxaoc b10cr7 (), the difference in your apparent weight at the top of the circular loop and the bottom o cbm1(rx7 0caof 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
