The answer is 2nd Step because the first step is to define the problem and third is to define your goals
This is a very very difficult one for me, let me get back to you with the proper answer.
Answer:
5,4,1, this is a explication
Answer:
Gravitational force (pulled downward by the Earth)
Normal force (pushed upward by the ground)
Applied force (pushed by the person)
Friction force (pulled opposite the direction of motion by the roughness of the ground)
