Two opposite forces F 120N and F 80N act on an heavy elastic

Last updated: 6/7/2023

Two opposite forces F 120N and F 80N act on an heavy elastic plank of modulus of elasticity y 2x10 1 N m2 and length L 1m placed over a smooth horizontal surface The cross sectional area of plank is A 0 5m2 If the change in the length of plank is x x 10 m then find x F F 1