Can a person catch an object in space and stop it without being pulled along?

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In summary, the conversation is discussing the concept of conservation of momentum in outer space. The original poster asks if a person in zero gravity can stop an object with a rope attached to it moving at a high speed, or if the object will pull the person with it. The response mentions that this would be considered a collision and there is conservation of momentum involved.
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Ivan452
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Hello everyone, I come here with a question.

I'm not a physicist, so this might be a stupid question.
But something crossed my mind.

If a person is 'floating' relatively still in outer space (0 gravity) and a object (a small rock, washing machine or a car) with a rope attached to it passes him by at some speed (lets say 60mph) will the person be able to stop the object by catching the rope?
Or will the object pull the person with it?
Or will the person be able to stop the rock but not the washing machine?
Or something else?
 
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  • #2
Welcome to PF!

Hello Ivan452! Welcome to PF! :smile:

This counts as a collision, so there's conservation of momentum …

sooo … ? :wink:​
 

FAQ: Can a person catch an object in space and stop it without being pulled along?

What is the process of catching an object in space?

The process of catching an object in space involves various steps such as identifying the object, calculating its trajectory, and using a spacecraft or robotic arm to capture it. It requires precise calculations, advanced technology, and skilled operators to successfully catch an object in space.

What kind of objects can be caught in space?

Objects that can be caught in space include satellites, spacecrafts, debris, and even other planets or asteroids. These objects can be caught for various reasons such as repairs, retrieval, or scientific research.

How do scientists calculate the trajectory of an object in space?

Scientists use mathematical equations and computer simulations to calculate the trajectory of an object in space. They take into account factors such as gravitational pull, velocity, and other variables to determine the object's position and movement.

What are the challenges of catching an object in space?

Catching an object in space can be challenging due to the vast distances involved, the high speeds at which objects travel, and the complexities of working in a microgravity environment. It also requires highly precise calculations and coordination between multiple teams and equipment.

Has an object ever been successfully caught in space?

Yes, there have been several successful attempts at catching objects in space. For example, in 2009, NASA's space shuttle Atlantis successfully captured and repaired the Hubble Space Telescope. In 2014, the European Space Agency's Rosetta spacecraft caught up with and landed on a comet. These are just a few examples of successful catch missions in space.

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