Rotation in Space: Rod, ISS, Yoyo Motion

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SUMMARY

The discussion focuses on the rotational dynamics of a rod in a microgravity environment, specifically aboard the International Space Station (ISS). When a force is applied to one end of the rod, it will exhibit rotational motion about an axis that is determined by the distribution of mass along its length. Participants also explore the concept of yoyo motion, questioning whether a yoyo can be spun from a floating position, drawing parallels to the behavior of the rod. The consensus suggests that the rod rotates about the axis of the opposite end when force is applied, while the yoyo's motion is influenced by its design and the method of spinning.

PREREQUISITES
  • Understanding of rotational dynamics
  • Familiarity with concepts of torque and angular momentum
  • Knowledge of microgravity effects on motion
  • Basic principles of yoyo mechanics
NEXT STEPS
  • Research the principles of rotational motion in microgravity environments
  • Explore the physics of torque and its application to rigid bodies
  • Investigate yoyo design and the mechanics of spinning
  • Study the effects of mass distribution on rotational axes
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Physics students, aerospace engineers, and hobbyists interested in the mechanics of motion in space environments.

azizlwl
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We have a rod and keep floating in ISS. If we tap giving force at one end, will it,
1. Rotate about an axis or
2. Has translational and rotational motion.
If it rotates, where is the axis?

I have interest in yoyo motion too. From YouTube, they spin them while holding. Can we rotate yoyo from floating position?.
 
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azizlwl said:
We have a rod and keep floating in ISS. If we tap giving force at one end, will it,
1. Rotate about an axis or
2. Has translational and rotational motion.
If it rotates, where is the axis?
What do you think?
 
I think it rotates with the axis of the other end, since the near end moves first followed by nearest mass till the other end.
But if we throw a stick to the air it looks like it rotates about the center.
 

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