Two Boys in a Canoe Toss a Baseball Back and Forth

question 89

Multiple Choice

Two boys in a canoe toss a baseball back and forth. What effect will this have on the canoe? Neglect (velocity-dependent) frictional forces with water or air.

• A) None, because the ball remains in the canoe.
• B) The canoe will drift in the direction of the boy who throws the ball harder each time.
• C) The canoe will drift in the direction of the boy who throws the ball with less force each time.
• D) The canoe will oscillate back and forth always moving opposite to the ball.
• E) The canoe will oscillate in the direction of the ball because the canoe and ball exert forces in opposite directions upon the person throwing the ball.

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Definitions:

Gallbladder

A small, pear-shaped organ located beneath the liver that stores bile produced by the liver and releases it into the small intestine to aid in digestion.

Gastric Glands

Glands located in the stomach lining that secrete gastric juice including hydrochloric acid and digestive enzymes.

Gastric Juices

Gastric juices refer to the mixture of acid and digestive enzymes produced by the stomach to break down food as part of the digestion process.

Stomach

A muscular organ in the gastrointestinal tract that breaks down food using acids and enzymes, preparing it for further digestion.