Q.20

Expert-verifiedFound in: Page 199

Book edition
4th

Author(s)
Randall D. Knight

Pages
1240 pages

ISBN
9780133942651

A roller coaster car crosses the top of a circular loop-the-loop at twice the critical speed. What is the ratio of the normal force to the gravitational force?

The ratio of the normal force to the gravitational force is .

Given in the question that, A roller coaster car crosses the top of a circular loop-the-loop at twice the critical speed.

From the information we observed that is the result of and

Here,

The mass of the roller coaster

The acceleration due to gravity

The radius of the circular loop

- The velocity

Therefore,

Since roller coaster car crosses the top of a circular loop-the-loop at twice the critical speed.

Therefore,

Hence, the ratio of the normal force to the gravitational force is

The ratio of the normal force to the gravitational force is .

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