Astronauts Orbiting Earth in the Space Shuttle Experience So-Called Weightlessness

question 92

Multiple Choice

Astronauts orbiting Earth in the space shuttle experience so-called weightlessness in space because

• A) they are farther away from Earth.
• B) of centrifugal force.
• C) the gravitational pull of the Moon counteracts Earth's gravitational pull.
• D) they are in constant free fall around Earth.
• E) they are in space where there is no gravity.

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Definitions:

Higher-Order Conditioning

A form of learning in which a stimulus is paired with a previously conditioned stimulus, creating the same response without direct conditioning to the original unconditioned stimulus.

Metronome Sound

The sound produced by a metronome, used to mark time at a selected rate by producing regular ticks.

Pavlov

Pavlov, Ivan Petrovich, was a Russian physiologist known for his work in classical conditioning, demonstrating learned responses through his experiments with dogs and bell stimuli.

Expectancy

The anticipation or prediction of future events or outcomes, often influencing behavior and decision-making.