MrAnchovy said:When a sphere rolls its centre of mass stays at a constant height above the surface.
MrAnchovy said:It doesn't (apart from a cylinder and similar shapes).
MrAnchovy said:Yes I guess that's it - there's not much more to say really, except that moving the centre of mass of say a cube up and pivoting it around an edge takes energy; some of this energy is released when the cube "falls" over the pivot edge but then that most of that energy is lost in heat and perhaps sound when the cube lands on a face, then you have to put more energy into lift the centre of mass again...
A shape refers to the physical appearance or outline of an object, while rotation refers to the movement of an object around a fixed point.
Shapes and rotation can affect an object's properties such as its volume, surface area, and center of gravity. For example, changing the shape of an object can alter its volume and rotating an object can shift its center of gravity.
Symmetry refers to the balance and proportionality of an object's shape, while rotation refers to the movement of an object around a fixed point. Symmetry can be achieved through rotation, as rotating an object can create a balanced and proportional shape.
Understanding shapes and rotation is crucial in many scientific studies, particularly in fields such as physics, chemistry, and biology. It allows scientists to analyze and predict the behavior of objects and systems, as well as to design experiments and models.
Shapes and rotation have numerous real-life applications, including in engineering, architecture, and design. For example, understanding the rotation of gears is essential in designing efficient machinery, and knowledge of shapes is crucial in constructing stable and safe structures.