Find the Net Work Done by Friction on the Body

question 38

Multiple Choice

Find the net work done by friction on the body of a snake slithering in a complete circle of radius.The coefficient of friction between the ground and the snake is 0.25,and the snake's weight is

• A) -330 J
• B) 0 J
• C) -3300 J
• D) -670 J

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Definitions:

Abnormally

In a manner deviating from what is considered normal or typical; unusually.

Tachy-

A prefix in medical terminology indicating rapid or fast, often used in relation to heart rate, as in tachycardia.

-ectasis

A suffix used in medical terminology to denote a dilation or expansion of a hollow organ or body part.

Dilating

The process of making or becoming wider, larger, or more open.