If W is the weight of a vehicle negotiating an upgrade 1 : S along a track having co-efficient of
T is given by
(A) T = p / ( + S)
(B) p = T / ( + S)
(C) S = p / ( + T)
(D) = p / (T + S)
T is given by
(A) T = p / ( + S)
(B) p = T / ( + S)
(C) S = p / ( + T)
(D) = p / (T + S)