Kinematics Question 780
Question: A motor cycle driver doubles it’s velocity when he it’s 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.
