Home
Class 11
PHYSICS
K is the force constant of a spring. The...

K is the force constant of a spring. The work done in increasing its extension from `l_1` to `I_2` will be.

A

`k(l_1- l_2)`

B

`k(l_1 + l_2)//2`

C

`k(l_2^2- l_1^2)`

D

`k(l_2^2 - l_1^2)//2`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

K is a force constant of a spring. The work done in increasing its extension from l_1 to l_2 will be

The force constant of a spring of length l is k. the spring is cut into two parts of lenghts l_1 and l_2 . IF l_1=nl_2 , then find the spring constants k_1 and k_2 of the two parts.n is an integer.

The force constant of a spring is K. The spring is divided into three equal part. What will be the value of force constant of each part?

The force constant of a spring is k. The spring is cut into three equals parts. Find the force constant of each part.

When a mass of 4 kg is hung from the lower and of a spring.IF elongates by 1cm.(i) What is the force constant of the spring? (ii) If a load of 2kg is hung from the lower end of the spring , then find its elongation.

When a spring is stretched by a distance x, it exerts a force given by F=( -5x-6x^3 ) N. Find the work done when the spring is stretched from 0.1 m to 0.2 m.

Statement I : The spring constant of a spring is k. When it is divided into n equal parts, then spring constant of each piece is k/n. Statement II : The spring constant is independent of material used for the spring.