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Homework #19

# Homework #19 - H4 sores rm#1 Key Table-Group 9.45 The...

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Unformatted text preview: H4 sores rm #1:; Key Table-Group 9.45 The refrigerator weighs 22011). It is supported at A and B. The coefﬁcient ofstatie friction between the supports and [he ﬂoor is pg = 0.2. The distance it = 60' and the dimension 5 = 3U in. When the force F is applied to push the refrigerator across the ﬂoor, will it tip over before it slips? [See Example 9.3.) '/7|";L£ A e37 m fusiﬁ0>\ A Eli-g? MP ILL mﬁaf‘aﬁmtpsw No we gee-Fae. QLHIP 9.47 The man exerts :1 furee P on the cur at an angle a i ll)“. The Hell-kg car has front wheel drive. The driver spins the {rent wheels. and the eeefﬁeielit of kinetic friction is lurk -— 0.02. Suew behind the rear tires exerts at herixental resisting force 3. Getting the ear to rrteve requires evereuming a resisting force 5 -—' 42'“ N. What three P must the man exert? 9.48 In Problem 9.41 what value el'the tingle rt minimizes the magnitude of the force F the men must exert to overcome the resisting fame S = 420 N exerted en the rear tires by the snow? What feree must he exett'i‘ Aﬁsnm girth-elf lﬂ-ﬂ'l— Cd: :. f n if" {‘M r-E W543" 5041-; w ..-.s':.e_. .. 1" l: : /|¢A ﬂ" 'OLA ,. 1 ti .. lie-Evils.) J. “a r! {p F Has-jg +lii:g,+ﬁ_ipsﬁ~w£ﬂwr:o L Film le 4::- Q 2 _ﬂ2]']‘1_FI-e__'§+ .0114. E; =5) : S“,OLA —PML¢{ l l * €53 A =0: Wf(.‘t3)‘&fz.ﬁ) b “E ewm *fsssxﬂ9 FmCZD Ar-‘E—D-spcezol ,et’. ta: Frau—t Q Es=cz<763 +6353‘Tmﬁ'lﬁr3333gind)? #9193 :3 to J35} swims + 4?.94-7ceao'i 0W5 T123“? gnu-«jig Ind-£9 akab) ﬁlm, aﬁPVILrﬁfv-e a? P wilt-=96 £10 : -9,+13'\$!cﬁ1d-37.24+Lmd) 0L 0‘ (mahr :D‘LLBS 5.; «2%); ma #3124445. cw; d = c. 9.133 Blocks 3 and If each have a mass of 2G kg. The coefﬁcient ofstatic friction at the contacting surfaces is 0.2. Block A is suspended by a rope that passes over a fixed cylinder and is attached to block .8. The cocfflcicnt of static friction between the rope and the cylinder is 0.3. What is the largest mass block A can have without causing, block B to slip to the left? I‘, t; ‘ :M‘f“ em ts— vﬁfﬁ'eg 9.140 The maasca cf crates A and B are 25 kg and 30 kg, respectively. The coefﬁcient of static friction between the contacting surfaces is ﬁg,- = U34. What is the largcszt value of at For which the crates will remain in equilibrium“? I.— \N .575 = — - - ' i F; Oil—4* .94} (M31: 5.9.54)—245“.Z§'5nw{ F- i- '- 6 f a a“ A25, #0 cﬁn— switsw —3a(¢£t)mot T (Ml: 5—3‘1.SS tam-:04 ...
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Homework #19 - H4 sores rm#1 Key Table-Group 9.45 The...

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