Ballast allows the team to add weight to an already light car, with the specific intention of altering the weight distribution of the car.
Cars have a minimum weight requirement and teams need to allow for differences in the physical proportions of the OK, so we all know what the driver is, right. I've always liked the description that F1 drivers are like... There's more.... Ballast allows them to balance out differences and bring the car weight up to a minimum of 796kgs (including the direct, but excluding fuel).
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