A Particle That Is Subjected to a Variable Force Travels

question 46

Multiple Choice

A particle that is subjected to a variable force travels a distance of 20 m in a straight line in the same direction as the force.The force varies as follows: What was the total work done by this force during the full 20-m trip?

• A)15 J
• B)30 J
• C)45 J
• D)60 J
• E)75 J

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Definitions:

Thoracic Aorta

The portion of the aorta passing through the chest, from which arise the branches that supply oxygenated blood to the chest cage and organs within the thorax.

Abdominal Aorta

The main artery that runs down the abdomen and supplies blood to the organs and tissues of the abdomen.

Aortic Arch

The portion of the main artery that bends between the ascending and descending aorta, distributing blood to the head, neck, and arms.

Capillaries

Capillaries are the smallest blood vessels in the body, connecting arterioles and venules, and are responsible for the exchange of oxygen, carbon dioxide, and other nutrients and waste products between blood and tissues.