A block of mass 2 kg is placed on a floor. The coefficient of friction is 0.4. A force of 3 n is applied on the block by the intention to move it. What will be the force of friction between the block and floor?
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max friction= 0.4× 20= 8 n
As Fext<max f
friction acting= 3N
As Fext<max f
friction acting= 3N
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