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Questions and Answers
Which force is the only force acting on a body in free fall in Newtonian physics?
Which force is the only force acting on a body in free fall in Newtonian physics?
- Electromagnetic force
- Magnetic force
- Friction force
- Gravity (correct)
In the context of general relativity, what happens to a body in free fall?
In the context of general relativity, what happens to a body in free fall?
- It experiences no force (correct)
- It experiences a sideways force
- It experiences a downward force
- It experiences an upward force
Can an object moving upwards be considered to be in free fall?
Can an object moving upwards be considered to be in free fall?
- Yes, always
- Yes, but only if it is subject to the force of gravity (correct)
- No, never
- No, unless it is subject to the force of gravity
Is the Moon in free fall around the Earth?
Is the Moon in free fall around the Earth?
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What happens to the sensation of weightlessness when there are no other forces acting on a body?
What happens to the sensation of weightlessness when there are no other forces acting on a body?
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