Questions
A train A runs from east to west and another train B of the same mass runs from west to east at the same speed along the equator. A presses the track with a force and B presses the track with a force .
detailed solution
Correct option is A
Earth rotate about its axis from west to east.For Train A: vA = v - ωrFor Train B : vB = v + ωrFor Train Amg - NA = m(v-ωr)2rNA = mg-m(v-ωr)2r Similarly for Train B : NB = mg-m(v+ωr)2rClearly NB < NA and F1 > F2Talk to our academic expert!
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