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Problem Solving

A cyclist tur...

Question

A cyclist turns around a curve at 15 miles/hour. If he turns at double the speed, the tendency to overturn is

A

Doubled

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B

Quadrupled

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C

Halved

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D

Unchanged

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Solution

The correct option is B
Quadrupled

$F = \frac{m v^{2}}{r} \Rightarrow F \infty v^{2}$ . If v becomes double then F (tendency to overturn) will become four times.

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