1.

Two identical cars A and B are moving at 36 kmph. A goes on a bridge, convex upward and .B. on concave upward. If the radius of curvature of bridge is 20 m, the ratio of normal forcesexerted on the cars whenthey are at the middle of bridges (g = 10 ms^(-2))

Answer»

`1 : 3`
`1 : 2`
`2 : 3`
`1 : 5`

ANSWER :A


Discussion

No Comment Found