Question

which one of the following is unit less ? a: co efficient of friction. b: limiting friction. c : force. d : acceleration​

Answer 1

Answer:

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My self Shashikant Kumar Gupta

Answer 2

Answer:

a is the correct option

as we know that F = UsN

Us = F/N

F = force and N = normal force and Us= coefficient of friction

as both force and normal force have same dimension that is shown in picture , plz veiw attachment for further explanation