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Fiona Rozario
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Is a wall rigid body or a non-rigid body? As per definition, a rigid body does not change any inter-molecular space on application of force but moves. But a wall does neither. So what is it - rigid or non-rigid?
A rigid body is an object that maintains its shape and size even when subjected to external forces, whereas a non-rigid body can change its shape and size in response to external forces.
No, a rigid body cannot deform as it maintains its shape and size under external forces. However, some objects may appear rigid but can actually deform under extreme forces.
A book is an example of a rigid body as it maintains its shape and size even when placed on a bookshelf or when held in your hands.
In engineering, the concept of rigid and non-rigid bodies is important in designing structures and machines. Understanding how external forces affect the rigidity of different materials is crucial in creating safe and efficient designs.
No, a non-rigid body may have some flexibility, but it still has a certain level of rigidity. Complete flexibility would mean that the body can change its shape and size infinitely, which is not possible.