Weight and stretching

Unit of force is the . It is denoted by the letter .

On most of the Earth's surfacee, the weight of a body of mass 1 kg is .

According to Hooke's law, is proportional to .

According to Hooke's law, F = .

On force-extension graphs, you should label each of your graph with the name of the or its symbol followed by and the .

The force constant of a spring is denoted by the letter and the the extension of the spring is denoted by the letter .