Physics Two Dimensional Motion Question 330

Question: A motor cycle driver doubles its velocity when he is having a turn.The force exerted outwardly will be

[AFMC 2002]

Options:

A) Double B)Half C) 4 times D)$ \frac{1}{4} $ times

Show Answer

Answer:

Correct Answer: C

Solution:

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

Therefore $ F\propto v^{2} $ i.e. force will become 4 times.