Quote:
Originally Posted by Ether
Um... yes it does.
Where are you getting your information?
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It doesn't cause normal force to technically decrease. When driving forward or backwards, there are at least four wheels on the ground. During this time, the amount of normal force on the dropped wheels as well as the normal force on the set of outer wheels is evenly distributed and the same. When the robot is pivoting on the dropped wheels, the normal force pushes in tangential to the place of pivot, this case being the dropped wheels. Inertia therefore causes the outer wheels to lift and balance which in turn means the dropped wheels are the only wheels touching the floor at this moment. I got this information from A.P. Physics B where I am currently getting a high B in. I learned of centripetal force last year and asked my mentor who also happens to be my A.P. Physics teacher is this what caused a dropped 6wd to turn smoothly. He said yes.
Study centripetal force and you'll know what im talking about.