Circular Motion astronaut training

In summary, during pilot or astronaut training, candidates are rotated around a 10.0m radius and experience a force of eight times their weight (8.0 g’s). The centripetal force (Fc) is equal to the force of gravity (Fg) in this scenario, but this equation is only used for solving orbital motion problems. To determine the speed at which the trainees are rotating, one approach is to use the formula Fc = mv²/R and solve for v. Alternatively, one can calculate the acceleration (8*9.81) and use the formula v²/R = a to find the speed.
  • #1
ThomasMagnus
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During pilot or astronaut training, candidates are rotated around a 10.0m radius and experience a force of eight times their weight (8.0 g’s). At what speed are the trainees rotated?

It was explained to me that the centripetal force (Fc) was equal to the force of gravity (Fg). Why are the centripetal and gravitational forces equal in this question, while not in others?
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  • #2
Fc = Fg is used to solve orbital motion problems. It does not apply here unless you simply mean to say that Fc = 8*mg (which is correct).
Put in your detailed formula for Fc and solve for the speed.

Another approach is to realize the acceleration must be 8*9.81. Then use centripetal acceleration v²/R = 8*9.81 and solve for v.
 

1. What is circular motion in astronaut training?

Circular motion in astronaut training refers to the constant motion of an object along a circular path. In this context, it is used to simulate the effects of gravity and motion experienced by astronauts in space.

2. How is circular motion used in astronaut training?

Circular motion is used in astronaut training to simulate the effects of gravity and acceleration on the human body. By spinning astronauts in a centrifuge, they experience similar forces to those felt during launch and re-entry into Earth's atmosphere.

3. What are the benefits of using circular motion in astronaut training?

Using circular motion in astronaut training allows astronauts to experience the effects of gravity and acceleration in a controlled environment. This helps them to prepare for the physical demands of space travel and reduces the risk of motion sickness during a mission.

4. Are there any risks associated with circular motion in astronaut training?

There are some risks associated with circular motion in astronaut training, such as motion sickness and disorientation. However, these risks can be minimized by gradually increasing the speed and duration of training and providing proper training and preparation for astronauts.

5. How is circular motion in astronaut training different from regular circular motion?

Circular motion in astronaut training is different from regular circular motion in that it is used to simulate the effects of gravity and acceleration on the human body, rather than just the motion of an object. It also involves more precise control and monitoring to ensure the safety and effectiveness of the training.

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