Question

scientific or physical definition of frictional force

Answer 1

frictional force is opposing force that is created between 2 surfaces that try to move in same direction or try to move in opposite direction ..
the main purpose of this force to create resistance to motion of 1 surface on other surface ...

hope this help uu

Answer 2

hey dear your answer is here -


friction force is a contact force. it is opposite to realative motion. it's unit is newton.
it is three type -

i) static friction force
ii) kinetic friction force
iii) rolling friction force


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