PHYICAL

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A 100 N block is on rough horizontal surface. If a horizontal force F=40 N is applied and the block just start slide. What is the value of the static coefficient.

My dear sir please help me in teaching my son and thank you very much

  • PHYICAL -

    F=F(fr)=μN=μmg,
    μ =F/mg=40/100=0.4

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