Fill in the blanks with appropriate answers. A body of mass \( 2 \mathrm{~kg} \) rests on a floo...

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Fill in the blanks with appropriate answers.
A body of mass \( 2 \mathrm{~kg} \) rests on a floor. The coefficient of static friction is \( 0.4 \). If a force of \( 2.8 \mathrm{~N} \) is applied on the block parallel to the floor, the force of friction between the block and the floor is
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