Questions and answers by

Emmanuel G

Answers (2)

Divide W which is 5 by COS 60 it gives 10 that is 10N
F=50N,E=25cm-20cm=5cm.so f=50 N/5cm=10N/cm.E=100N/10N/cm=10cm=new length=(original length*E)=20cm*10cm=30cm

Ask a New Question