- #1

Shashwat02

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- Hi! Can somebody please explain me the concept of normal force over convex and concave bridge?

I am not able to understand why normal force on top in a vertical circular motion the least.

Also please help me with normal force of a body over convex and concave bridges.

Why do we get these equations:

N=mg-mv

N=mg+mv

Also please help me with normal force of a body over convex and concave bridges.

Why do we get these equations:

N=mg-mv

^{2}/r (convex bridge)N=mg+mv

^{2}/r (concave bridge)