You are pulling an object up 1 m with a 5 m ramp. You pull with 20 N of force. How much does the object weigh?

When at a point two solid phase changes to one solid phase on cooling then it is known as a) eutectoid point b) eutectic point c) peritectic point d) peritectoid point

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

Burgers vector is generally parallel to the dislocation line. a)-true b)-false