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Questions and Answers
In Newtonian physics, free fall is a motion where the only force acting upon a body is:
In Newtonian physics, free fall is a motion where the only force acting upon a body is:
- Buoyant force
- Friction
- Gravity (correct)
- Magnetic force
In the context of general relativity, a body in free fall experiences:
In the context of general relativity, a body in free fall experiences:
- A downward force
- No force acting on it (correct)
- A constant upward force
- A force parallel to its motion
An object moving upwards subject only to the force of gravity is said to be in free fall due to:
An object moving upwards subject only to the force of gravity is said to be in free fall due to:
- Negligible gravitational force
- Being subject to only the force of gravity (correct)
- Increased gravitational force
- Equal and opposite force
The sensation of weightlessness occurs when there are no other forces acting, such as the normal force exerted between a body and its surroundings, in a:
The sensation of weightlessness occurs when there are no other forces acting, such as the normal force exerted between a body and its surroundings, in a:
The Moon is in free fall around the Earth despite its orbital speed keeping it in a very far orbit due to:
The Moon is in free fall around the Earth despite its orbital speed keeping it in a very far orbit due to: