Physics Two Dimensional Motion Question 250
Question: A cyclist turns around a curve at 15 miles/hour. If he turns at double the speed, the tendency to overturn is
[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.