A train moves with uniform velocity in spite of its weight and equal reactional force. What is the net force on the train along y-axis?
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Answer:
Net force along y-axis = 0 Newton
Explanation:
Weight of the train(W) = Normal reaction(N) on the train (normal recation is the reactional force you have mentioned)
- Weight and normal force are acting along the y-axis.
- Since both these forces are equal and acting in opposite directions, they cancel out each other.
W - N = 0
Net force along y-axis is therefore = 0 Newton
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