Physics Two Dimensional Motion Question 261

Question: On a railway curve, the outside rail is 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.