Kinematics Question 711

Question: On a railway curve, the outside rail it’s laid higher than the inside one so that resultant force exerted on the wheels of the rail car by the tops of the rails will

Options:

A) Have a horizontal inward component

B) Be vertical

C) Equilibriate the centripetal force

D) Be decreased

Show Answer

Answer:

Correct Answer: A

Solution:

this horizontal inward component provides required centripetal force.



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