e minimum force F

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8)
Two blocks of masses ml and m2 are oriented as shown in the
diagram. The block ml moves on a surface with coefficient of
kinetic friction μ1, and the coefficient of static friction between the
two blocks is μ2. What is the minimum force F which must be
applied to ml such that m2 remains stationary relative to m1?
=
M2
F
FF
m2
ml
M² (Block 21 Fir² = m₂a
Fix/ma
9=
F=
12+
mgm,
ma
Block 1: F-F-F=m, a F-m,gu₁₂ = F12/m2
12
m.g
Fimm, gu,
Transcribed Image Text:8) Two blocks of masses ml and m2 are oriented as shown in the diagram. The block ml moves on a surface with coefficient of kinetic friction μ1, and the coefficient of static friction between the two blocks is μ2. What is the minimum force F which must be applied to ml such that m2 remains stationary relative to m1? = M2 F FF m2 ml M² (Block 21 Fir² = m₂a Fix/ma 9= F= 12+ mgm, ma Block 1: F-F-F=m, a F-m,gu₁₂ = F12/m2 12 m.g Fimm, gu,
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