Two identical trusses support a load of 100 N as shown in the figure. The length of each truss is 1.0m; cross-sectional area is 200 mm² ; Young’s modulus E = 200GPa. The force in the truss AB (in N) is _____ .

In a statically determinate plane truss, the number of joints $$(j)$$ and the number of members $$(m)$$ are related by

A two member truss ABC is shown in the figure. The force (in kN) transmitted in member AB is ________

A mass m₁ of 100kg travelling with a uniform velocity of 5 m/s along a line collides with a stationary mass m₂ of 1000kg. After the collision, both the masses travel together with the same velocity. The coefficient of restitution is