Modulus of elasticity

Classical Mechanics Level 2

If you pull a spring with a force of 12 N 12 \text{ N} , its total length becomes 14 cm . 14 \text{ cm}. If you pull the same spring with a force of 18 N , 18 \text{ N}, its total length becomes 16 cm. 16 \text{ cm.} What is spring constant of this spring?

6 N/cm 6 \text{ N/cm} 2 N/cm 2 \text{ N/cm} 5 N/cm 5 \text{ N/cm} 3 N/cm 3 \text{ N/cm}

Srinivasa Satti by Srinivasa Satti

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1 solution

Udit Chauhan
Sep 6, 2014

easy one !!!!! it is given that on 12N L=14cm and on 18N L=16cm the difference in L is of 2cm whereas in force difference is of 6N so on dividing 6N/2cm we get = 3N/cm

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