Hello, in figure 3 you only put the force of forward.
Where is the strength of the weight and the normal ?.
It changes the color of the friction force, I thought it did not exist.
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Hello, in figure 3 you only put the force of forward.
Where is the strength of the weight and the normal ?.
It changes the color of the friction force, I thought it did not exist.
Yes, there is the presence of both forces: the normal and the weight, really I have focused in the forces of the movement but in a strictly sense It must be said that they are present. I will explain that, thanks for the observation.