Despite only being around 9 percent lighter than their predecessors, the iPhone 15 Pro models feel significantly less heavy, and now we know why.
Despite only a single-digit change in weight, the phones are noticeably less weighty. Dr. Drang says there are two reasons behind that. Firstly, even though your brain may perceive an 8 to 9 percent reduction in weight as negligible, the drop is significant enough to lead to a lighter feel in your hands.
The other reason relates to something called the moment of inertia. It's the measurement of an object's resistance to change in its rotation direction. When you are using something, such as a phone, the moment of inertia is nearly as significant as mass as it affects the handling of an object. It depends on an object's mass as well as the distribution of the mass in relation to the axis of rotation.
The moment of inertia has reduced by 14 to 15 percent on the longer side, making it easier to turn theiPhone 14 ProIn short, the shift from stainless steel to titanium has reduced mass at the perimeter, reducing the 'moment of inertia more than a uniform reduction in mass would have.' This makes it easier to handle themight be a fantastic phone, but it's too heavy to be used comfortably, especially for those with fragile hands .
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