Three rectangular boxes are stacked on top of each other. All the boxes have the same mass of 1.2 kg. The kinetic coefficients of friction between the boxes are all 0.6 and the static coefficient of friction between boxes is 0.7. There is no friction between the bottom box and the floor. A rope is attached to the lowest box and pulls on the lowest box with a force of 5.0 N. Suppose the force on the rope is slowly increased. How large can the force be before the boxes begin to slide on each other? a) 12.0 N b) 24.7 N c) 45.3.N d) 18.2 N
Three rectangular boxes are stacked on top of each other. All the boxes have the same mass of 1.2 kg. The kinetic coefficients of friction between the boxes are all 0.6 and the static coefficient of friction between boxes is 0.7. There is no friction between the bottom box and the floor. A rope is attached to the lowest box and pulls on the lowest box with a force of 5.0 N. Suppose the force on the rope is slowly increased. How large can the force be before the boxes begin to slide on each other? a) 12.0 N b) 24.7 N c) 45.3.N d) 18.2 N
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Three rectangular boxes are stacked on top of each other. All the boxes have the same mass of 1.2 kg. The kinetic coefficients of friction between the boxes are all 0.6 and the static coefficient of friction between boxes is 0.7. There is no friction between the bottom box and the floor. A rope is attached to the lowest box and pulls on the lowest box with a force of 5.0 N.
Suppose the force on the rope is slowly increased. How large can the force be before the boxes begin to slide on each other?
a) 12.0 N
b) 24.7 N
c) 45.3.N
d) 18.2 N
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