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Questions tagged [gravity]

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How to find center of mass of robot? [migrated]

I have been wondering about the different methods of finding the center of mass of a robot? Mine is a balancing robot, so it has two wheels and a chassis on top. I need to find the center of mass so ...
6
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1answer
320 views

Transient drop in accelerometer gravity reading when in motion

I am using Pololu AltIMU-10 v4's accelerometer to monitor the acceleration of my system. I understand that when the sensor is placed upright on the table, it should measure 1g in the +ve z-axis. ...
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2answers
360 views

Charging a phone using Potential Energy

How can i convert the potential energy of a mass into mAh for this reason: How heavy would a mass have to be if I wanted to charge my Iphone (2800mAh) using a apple phone charger (5V 1000mAh). The ...
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1answer
941 views

Frictional Force in a DC Motor

I have wheel that is on an axle running through two supported bearings. In one quadrant of this wheel, there is a (small) mass. As expected, the mass has a bias of being as close to the ground as ...
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2answers
137 views

Making accelerometer sense nonconventional gravity

I am working on a project of finding the bevel angle of a worm drive blade. To find the angle, I have decided to use 2 accelerometers. One of it being my reference and will sit on the footplate, the ...
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155 views

Are Inclinometers/Angle Gauge's independent of gravity

To give a bit of background, I am working on a DIY wheel alignment just to save some money and possibly learn a thing or two. The camber/caster involves measuring an angle that is parallel to the ...