Timothy A. Philpot - Mechanics of materials _ an integrated learning system-John Wiley (2017)

P7.13
10.0 kips
40.00 kip·ft
x
P7.29
3.5 ft
60 kip·ft
6.5 ft
10.00 kips
Units: kips
–10.00 –10.00
25.00
–10.00
Units: kip·ft
P7.15
–35.00
–40.00
P7.31
25.0 kN
30.0 kN/m
285.00 kN·m
x
1 m
3 m 2 m
70.00 kN
Units: kN
–25.00 –25.00
–70.00 –70.00
Units: kN·m
–25.00
–145.00
P7.17 (a) V max = 16.50 kips
(b) M max = 33.0 kip · ft
P7.19 (a) V = 85.5 kN, M = 30.4 kN · m
(b) V = –74.5 kN, M = 52.4 kN · m
P7.21 (a) V = 93.7 kN, M = 23.9 kN · m
(b) V = −125.1 kN, M = 75.7 kN · m
P7.23 V max = 20.0 kips, M max = 119.3 kip · ft
P7.25 V max = 55.0 kN, M max = −50.0 kN · m
P7.27 V max = −245 kN, M max = −208 kN · m
–285.00
P7.33 (a)
wx ( ) =−10 kN
−1 x − 0m + 29 kN
−1
x − 2.5 m
−35 kN
−1 x − 5.5 m + 16kN
−1
x − 7.5 m
(b)
V( x) =−10 kN
0
x − 0m + 29 kN
0
x − 2.5 m
−35 kN
0
x − 5.5 m + 16kN
0
x − 7.5 m
1 1
Mx ( ) =−10 kN x − 0m + 29 kN x − 2.5 m
−35 kN x − 5.5 m + 16kN x − 7.5 m
1 1
835