Tension in springs (I don't know where 2 start)

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SUMMARY

The discussion centers on solving problems related to spring tension using Hooke's Law. The elasticity constant is given as 225 Newtons/meter for the first problem, where the restoring force for a compression of 20 centimeters is required. The second problem involves a spring with an elasticity constant of 2 Newtons/cm, necessitating the calculation of the force needed to stretch it by 8 centimeters. Additionally, the third problem requires determining the elasticity constant when a 4.08 kg weight compresses the spring by 8.5 cm and calculating the force needed to compress it by 15 cm.

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  • Understanding of Hooke's Law
  • Knowledge of elasticity constants
  • Basic physics concepts related to force and mass
  • Ability to convert units (e.g., meters to centimeters)
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  • Learn how to calculate restoring force using elasticity constants
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Students studying physics, particularly those focusing on mechanics and spring dynamics, as well as educators seeking to clarify concepts related to elasticity and force calculations.

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Homework Statement



1) a spring has an elasticity constant of 225 Newtons/meter. What is its restoring for when it's compressed of 20 centimeters ?

2) with what force must we pull a spring to pull 8 centimeters if its elasticity constant is 2 Newton/cm ?

3) we suspend a weight of 4.08 kg to a spring and it pulls 8.5 cm
a) what is the elasticity constant
b) what force do you need to put to compress the spring 15 cm ?

Homework Equations



I honestly do not know beside Lnat, m1, L1, L2 and m2 I guess
Something with Hooke's law

The Attempt at a Solution



There's something missing for me to understand this problem :|
 
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For 1 and 2, what equation do you have that relates the spring constant and the stretch distance with force?
 

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