A rubber band, being a solid, can change its shape as an external force is applied which overcomes the force applied by the rubber band to stay in shape.
But when the pressure is released, the rubber band comes back in its place
(a) A rubber band can change its shape when stretched. It is considered an elastic solid. When you stretch a rubber band, it undergoes a deformation and elongates. However, when you release the stretching force, it returns to its original shape and size. This behavior is due to the elastic properties of rubber.
Rubber bands are made from a polymer material called rubber, which exhibits a unique property known as elasticity. Elasticity allows the rubber band to deform under the influence of an applied force and then recover its original shape once the force is removed. This ability to regain its original shape is what distinguishes rubber from other materials.
In its relaxed state, a rubber band is coiled or folded, giving it a compact shape. When you stretch it, the polymer chains within the rubber band align and straighten out, resulting in the elongation of the band. However, the polymer chains have a tendency to return to their coiled state when the stretching force is released, causing the rubber band to contract and regain its original shape.
It's important to note that while a rubber band can change its shape temporarily when stretched, it still exhibits solid-like properties. It maintains its integrity as a continuous material and retains its original chemical composition even when deformed. This is in contrast to liquids or gases that do not possess a definite shape and can flow or disperse.
Overall, a rubber band is a solid material that can change its shape temporarily when stretched due to its elastic properties.
Answers & Comments
Answer:
Yes rubber band is a solid
Explanation:
A rubber band, being a solid, can change its shape as an external force is applied which overcomes the force applied by the rubber band to stay in shape.
But when the pressure is released, the rubber band comes back in its place
Verified answer
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(a) A rubber band can change its shape when stretched. It is considered an elastic solid. When you stretch a rubber band, it undergoes a deformation and elongates. However, when you release the stretching force, it returns to its original shape and size. This behavior is due to the elastic properties of rubber.
Rubber bands are made from a polymer material called rubber, which exhibits a unique property known as elasticity. Elasticity allows the rubber band to deform under the influence of an applied force and then recover its original shape once the force is removed. This ability to regain its original shape is what distinguishes rubber from other materials.
In its relaxed state, a rubber band is coiled or folded, giving it a compact shape. When you stretch it, the polymer chains within the rubber band align and straighten out, resulting in the elongation of the band. However, the polymer chains have a tendency to return to their coiled state when the stretching force is released, causing the rubber band to contract and regain its original shape.
It's important to note that while a rubber band can change its shape temporarily when stretched, it still exhibits solid-like properties. It maintains its integrity as a continuous material and retains its original chemical composition even when deformed. This is in contrast to liquids or gases that do not possess a definite shape and can flow or disperse.
Overall, a rubber band is a solid material that can change its shape temporarily when stretched due to its elastic properties.
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