gc physics textbook chapter 5 problems (id: 856aa5ab3)

本题目来源于试卷: gc physics textbook chapter 5 problems，类别为 通用国际物理

[问答题]
A car maintains a constant speed as it traverses the hill and valgqk*.-9n pzux+ob; 5 pxzrx5 cley sh:g j(hv,.j wy+ki i9cwpn z,e;own in Fig. 5–45. Both the hill and valley have a radius of curvature R. (a) How do the normal forces acting on the car at A, B, and C compare? ,(;iinjwy+z9,j. :h v ekgpwc (Which is largest? Smallest?) Explain. (b) Where would the driver feel heaviest? Lightest? Explain. (c) How fast can the car go without losing contact with the road at A?

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