Kinematics Question 700

Question: A cyclist turns around a curve at 15 miles/hour. If he turns at double the speed, the tendency to overturn it’s [CPMT 1974; AFMC 2003]

Options:

A) Doubled

B)Quadrupled

C) Halved

D)Unchanged

Show Answer

Answer:

Correct Answer: B

Solution:

$ F=\frac{mv^{2}}{r} $

therefore $ F\propto v^{2} $ .

If v becomes double then F (tendency to overturn) will become four times.



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