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Physics question: How does a minibot climb the pole?
I am not in an FRC team but I have recently started to learn about physics. So far I have learned about Kinematics and Newton's Laws of Motion and forces. I have also followed up on FRC in the 2011 season (browsed the forums and watched the competitions) and I have been curious about how a minibot goes up in general. Can anyone describe to me how a minibot can climb the pole?
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Re: Physics question: How does a minibot climb the pole?
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This normal force is typically created in one of three different ways: 1) magnets 2) spring-loaded grip 3) gravity acting on the center-of-mass of the minibot, creating around a pivot point a torque which presses the minibot against the pole |
Re: Physics question: How does a minibot climb the pole?
...and of course the 'upwards' force is greater than the 'downwards' force due to gravity.
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Re: Physics question: How does a minibot climb the pole?
In point of fact, the pole pushes the robot up.
Newton's third law... A force generated by the minibot in the vertical direction ("Down") results in a paired reaction force from the the pole on the robot in the opposite ( "UP") direction. |
Re: Physics question: How does a minibot climb the pole?
Thanks for the responses everyone!
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Yes, that was what I was wondering about. I understand that a normal force keeps the minibot on the pole but I wasn't able to determine how that worked. Quote:
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Re: Physics question: How does a minibot climb the pole?
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Re: Physics question: How does a minibot climb the pole?
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(Bonus points if you know the reference) |
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Re: Physics question: How does a minibot climb the pole?
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Vo won't "run out" if the vertical component of the reaction force of the pole on the minibot is equal to g. |
Re: Physics question: How does a minibot climb the pole?
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If the force acted upon the robot in the upward direction is equal to the force due to gravity, the robot will go at a constant velocity. The Vo that was mentioned is the initial velocity of the robot. In other words... if you start the robot at 1 m/s and the forces are equal the robot will continue at 1 m/s without ever slowing down or accelerating. Jason |
Re: Physics question: How does a minibot climb the pole?
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He was saying that the "upwards force" is greater than the "downward force due to gravity". Gotta love the English language. |
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