Hooke’s Law

1. The ability of a material to recover its original shape and size after the force causing deformation is removed is called?

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2. Which of the following formulas shows the work done by a force to extend a spring to an extension e.

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3. There are some materials that regain their original shapes after being stretched even though they do not obey hookes Law. True or False?

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4. The resistance a material offers to forces which tend to change its shape or size or both hence not flexible to bending is called?

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5. What is the name given to materials which do not recover but are deformed permanently under stress?

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6. The ability of a material to undergo significant permanent change of size and shape (plastic deformation) without breaking/rupture is called?

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7. The quality of a material which leads to breakage just after the elastic limit is reached is called?

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8. Hooke's Law states that for a helical spring or other elastic material, the extension of the mateiral is directly proportional to the stretching force provided the elastic limit is not exceeded. True or False?

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9. The ability of a material to resist breakage/failure when under stretching, compressing or shearing force is called?

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10. Materials like rubber bands, springs and metal wires which regain their shapes once the force causing the deformation is withdrawn are said to be?

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11. What is the name given when 2 ends of a spring are squeezed together?

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12. What is the name of the point where an elastic material like spring cannot regain back its shape (point of permanent extension/deformation)?

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13. What is the name given when 2 ends of a spring are stretched?

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14. Which of the following formulas shows the relationship between force and extension of an elastic material?

Question 14 of 14