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Questions and Answers
What causes an object to fall to the ground?
What causes an object to fall to the ground?
- Nuclear force
- Centripetal force
- Gravitational force (correct)
- Electromagnetic force
What is the force that keeps planets in orbit around the sun?
What is the force that keeps planets in orbit around the sun?
- Magnetic force
- Frictional force
- Tension force
- Gravitational force (correct)
Why do astronauts in space experience weightlessness?
Why do astronauts in space experience weightlessness?
- Reduced nuclear force
- Increased electromagnetic force
- Lack of gravitational force (correct)
- Absence of centripetal force
