Question
K is the force constant of a spring. The work done in increasing its extension from l₁ to l₂ will be
Options :
K(l₂-l₁)
K(l₂+l₁)/2
K(l₂²-l₁²)
K(l₂²-l₁²)/2
Answer :
K(l₂²-l₁²)/2
Access expert-curated educational resources and study materials—completely free.
Create, conduct, and manage professional online assessments with Crey. Perfect for teachers and institutes.
Copyright © 2026 Crey. All Rights Reserved.
