A block of mass 2 kg is placed on the floor. The coefficient of static friction is 0.4. If a force of 2.8 N is applied on the block parallel to the floor, the force of friction between the block and floor \[\left( \text{taking g }=\text{ 1}0\text{ m}/\text{se}{{\text{c}}^{\text{2}}} \right)\] is

A block of mass 2 kg is placed on the floor. The coefficient of static

1.	A block of mass 2 kg is placed on the floor. The coefficient of static friction is 0.4. If a force of 2.8 N is applied on the block parallel to the floor, the force of friction between the block and floor \[\left( \text{taking g }=\text{ 1}0\text{ m}/\text{se}{{\text{c}}^{\text{2}}} \right)\] is
A.	2.8 N
B.	8N
C.	2N
D.	Zero
Answer» B. 8N

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A block of mass 2 kg is placed on the floor. The coefficient of static friction is 0.4. If a force of 2.8 N is applied on the block parallel to the floor, the force of friction between the block and floor \[\left( \text{taking g }=\text{ 1}0\text{ m}/\text{se}{{\text{c}}^{\text{2}}} \right)\] is

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