Tiny collisions on the surfaces, called microwelds, cause friction.
the larger the force pushing the two surfaces together the stronger the microwelds will be , because more of the surface bumps will come into contact , to move one surface over an other , a force must be applied to break the microwelds .
Microwelds
microwelds
Microwelds
A microweld is an area where the microscopic bumps on two surfaces stick together. Microwelds are the source of friction.
Tiny collisions on the surfaces, called microwelds, cause friction.
fricton
the larger the force pushing the two surfaces together the stronger the microwelds will be , because more of the surface bumps will come into contact , to move one surface over an other , a force must be applied to break the microwelds .
the larger the force pushing the two surfaces together the stronger the microwelds will be , because more of the surface bumps will come into contact , to move one surface over an other , a force must be applied to break the microwelds .
break it.
microwelds
Microwelds
microwelds
By FRICTION.
Microwelds
With a fixed mass, if you say double the acceleration due to gravity, you would have to double the force to overcome friction.