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Kinetic Friction

Block A of ma...

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Block A of mass 2 kg is placed over a block B of mass 8 kg. The combination is placed on a rough horizontal surface. If g 10 ms^2, coefficient of friction between B and floor 0.5,coefficient of friction between A and B= 0.4 and a horizontal force of 10 N is applied on 8 kg block, then calculate the force of friction between A and B

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Q. Block A of mass 2kg is placed over a block B of mass 8kg. The combination is placed on a rough horizontal surface. If g =

10 m s^{- 2}

, coefficient of friction between B and floor = 0.5, coefficient of friction between A and B = 0.4 and a horizontal force of 10 N is applied on 8kg block, then the force of friction between A and B is

Q.
Block A mass 2 kg is placed over a block

B

mass 8 kg. The
combination is placed on a rough horizontal surface. If

g = 10 m s^{- 2}

,
coefficient offiiction between

B

= 0.5

, coefficient offfiction
betweenA and

B = 0.4

and a horizontal force on 10

N

is placed of8 kg
block, then the force friction between A and

B

Q. A block A of mass 2 kg rests on another block B of mass 8 kg which rests on a horizontal floor. The coefficient of friction between A and B is 0.2 while that between B and floor is 0.5. When a horizontal force 25 N is applied on the block B, the force of friction between A and B is:

A

2 k g

rests on another block

B

8 k g

which rests on a horizontal floor. The coefficient of friction between

A

B

0.2

while that between

B

0.5

. When a horizontal force of

25

N is applied on the block

B

. The force of friction between

A

B

Q. A block A of mass 2 kg rests on another block B of mass 8 kg which rests on a horizontal floor. The coefficient of friction between A and B is 0.2, while that between B and floor is 0.5. When a horizontal force of 45 N is applied on the block B, the force of friction between A and B is

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