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A train of mass m moves with a velocity v on the equator from east to west. If w is the angular speed of the earth about its axis and R is its radius(of the earth) then the normal reaction acting on the train is-------------
relation bw gravitational field (g) & rotation of earth is given by
g1 = g - W2RCOS2@
at equator , @ = 0 so
g1 = g - W2R
normal reaction on train which is at equator is
N = mg1 = m(g-w2R)
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