# If a spring has a constant of #2 (kg)/s^2#, how much work will it take to extend the spring by #56 cm #?

##### 1 Answer

May 27, 2018

Around

#### Explanation:

Work on a spring is given by:

where:

#W# is the work done in joules

#k# is the spring constant

#x# is the extension, usually in meters

So, the work done is: