Astronauts Orbiting Earth in a Spacecraft Feel Weightless in Space

question 40

Multiple Choice

Astronauts orbiting Earth in a spacecraft feel weightless in space because:

• A) they are farther away from Earth.
• B) they eat less food while in orbit.
• C) the added gravitational pull of the Moon balances Earth's gravitational pull.
• D) they are in constant free fall around Earth.

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Definitions:

John Locke

A 17th-century English philosopher known for his work on political philosophy and epistemology, emphasizing natural rights and the social contract.

Jean-Jacques Rousseau

An 18th-century philosopher, writer, and composer, known for his influential works on education, political philosophy, and the social contract.

Jean Piaget

A pivotal figure in developmental psychology who introduced the concept that children progress through a series of cognitive developmental stages.

Hypotheses

Possible explanations for phenomena, used to predict the outcome of research.