When We Apply the Energy Conversation Principle to a Cylinder

question 39

Multiple Choice

When we apply the energy conversation principle to a cylinder rolling down an incline without sliding, we exclude the work done by friction because:

• A)there is no friction present
• B)the angular velocity of the center of mass about the point of contact is zero
• C)the coefficient of kinetic friction is zero
• D)the linear velocity of the point of contact (relative to the inclined surface)is zero
• E)the coefficient of static and kinetic friction are equal

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Definitions:

NG Tube

A nasogastric tube, a medical device used to deliver food and medicine directly to the stomach through the nose.

Secure

To make something free from threat or risk; often refers to procedures or measures taken to ensure safety and protection.

Nasogastric Tube

A flexible tube inserted through the nose into the stomach, used for feeding or removing stomach contents.

Navel

The scar in the center of the abdomen, also known as the belly button, which marks the area where the umbilical cord was attached in utero.