Apple iPhone 15 Pro is lighter due to moment of Inertia: Report

Apple iPhone 15 Pro is said to be significantly lighter than its ancestors. No, it’s just not because of the titanium frame implementation but also due to some scientific reasons. As per the latest report, the company has keenly focused on the moment of inertia to drift the weight apart.

Recently, Dr. Drang shared new inputs that state the Apple iPhone 15 Pro is much lighter in real due to the change in the device’s moment of inertia. There is a 9% reduction in weight compared to the previous model which is 206 gm.

The moment of inertia measures an object’s tendency to resist angular acceleration, which is the sum of the products of the mass of each particle in the object with the square of its distance from the axis of rotation.

Eventually, by minimizing mass at the perimeter, Apple achieved a reduction in the phone’s moment of inertia that is more significant than would be expected from the sheer weight decrease. Thus, the moment of inertia for the ‌iPhone 15 Pro‌ is estimated to be reduced by 14–15%.

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