Which equation is wrong for a mass on a spring

Arup Biswas · Jan 12, 2018

Please tell me which one is wrong! When I put a mass M on one end of a spring!

Doc Al · Jan 12, 2018

You need to state the problem. Are you dropping the mass and trying to find out how far it sinks down (before coming back up). Or are you gently placing the mass at its new equilibrium point? Two different problems!

Arup Biswas · Jan 12, 2018

The 1st one you assumed!

Doc Al · Jan 12, 2018

Realize that the force equation solution just finds the equilibrium point, which is not the lowest point. To solve for the lowest point, you'll use energy conservation.

Arup Biswas · Jan 12, 2018

Thank you very much sir!

Which equation is wrong for a mass on a spring

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Which equation is wrong for a mass on a spring

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