A Bird Sitting on the Limb of a Tree Is

question 45

Multiple Choice

A bird sitting on the limb of a tree is moving about 30 km/s with respect to the Sun. If the bird takes 1 second to drop down to a worm below, the worm would be 30 km downrange from the bird when it reached the ground. This faulty reasoning is best countered with Newton's

• A)law of inertia.
• B)law of gravity.
• C)laws of motion.
• D)none of the above

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Definitions:

Flossing

The act of using a thin thread to remove food and plaque from between teeth to maintain oral hygiene and prevent gum disease.

Plaque

A deposit of fatty and other substances that builds up in the inner lining of arteries, leading to atherosclerosis and potential blockage.

Waxed Floss

Dental floss coated with wax to facilitate easier sliding between teeth for the removal of plaque and food particles.

Head Lice

Parasitic insects that live on the human scalp and feed on blood, causing itching and discomfort; commonly spread by close personal contact.