A block of mass M is attached to the lower end of a vertical spring. The spring is hung from a ceiling and has force constant value k . The mass is released from rest with the spring initially unstretched. The maximum extension produced in

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A block of mass M is attached to the lower end of a vertical spring. The spring is hung from a ceiling and has force constant value k . The mass is released from rest with the spring initially unstretched. The maximum extension produced in the length of the spring will be :

Quantrex Academy · Accepted Answer

Correct answer: C. 2 Mg / k

Loss in grav. PE = gain in spring PE At maximum elongation aligned Mgx & = 1 2 kx ^2 x & = 2 Mg k aligned

A block of mass M is attached to the lower end of a vertical spring. The spring is hung from a ceiling and has force constant value k . The mass is released from rest with the spring initially unstretched. The maximum extension produced in the length of the spring will be :

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