Final answer:
When an elastic band is stretched by exerting a tensile force, it elongates or deforms, changing its original shape.
Explanation:
When you stretch an elastic band by pulling it outwards, you exert a force on the band called tensile force. This force causes the elastic band to elongate or deform, changing its shape from its original state. The more force you apply, the greater the deformation or stretch of the band.
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