The force-extension data for a spring are recorded in the graph below. Assuming force is measured in newtons and extension in meters, what is the spring constant for this spring?

∆ F/ ∆e = K

(5.4-2.1)/(1.8-0.7)= K

3.3/1.1 = K

K = 3

pakistan's principal natural resources are arable land and water. about 25% of pakistan's agriculture accounts for about 21% [1] of gdp and employs about 43% of the labour force. in pakistan, the most agricultural province is punjab where wheat and cotton are the most grown.