FIGURE 10-3 -Fig. 10-3 Illustrates a Simplified Roller Bearing. the Outer Hollow

question 64

Multiple Choice

FIGURE 10-3
-Fig. 10-3 illustrates a simplified roller bearing. The outer hollow cylinder has a radius of 1.20 cm and is stationary. The inner cylinder has a radius of 1.00 cm and is rotating at 9.00 rpm. Between the two cylinders are several small cylinders with a radius of 0.100 cm, which roll without slipping on both the inner and outer cylinders. Only one of these cylinders is shown in the figure. How long does it take a small cylinder to complete a full revolution around the inner cylinder?

• A)6.00 s
• B)14.7 s
• C)5.64 s
• D)0.542 s
• E)1.38 s

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Definitions:

Import

Bringing in merchandise or services from overseas with the intent to sell them within a country.

Opportunity Cost

The cost of forgoing the next best alternative when making a decision, representing the benefits one misses out on by choosing one option over another.

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The exchange of goods, services, or both between individuals, businesses, or countries.

Corn

A cereal plant that bears large grains, or kernels, set in rows on a cob; an important crop for food, animal feed, and biofuel.