Answer to Question #319344 in Physics for Yusuf

Question #319344

A spring is stretched 40mm by a force of 15N. What is the work done by the force

Expert's answer

The work done by the force

"W=\\frac{kx^2}{2}=\\frac{Fx}{2}\\\\\n=\\frac{15\\:\\rm N*0.04\\;\\rm m}{2}=0.3\\:\\rm J"

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