p13_008.pdf
(
52 KB
)
Pobierz
Chapter 13 - 13.8
1
.
78 = 1
.
27m is the horizontal distance from the rear axle to the
center of mass;
F
1
is the force exerted on each front wheel; and,
F
2
is the force exerted on each back
wheel.
−
(a) Taking torques about the rear axle, we find
F
1
=
Mg
2
L
=
(1360kg)
9
.
8m
/
s
2
(1
.
27m)
2(3
.
05m)
=2
.
77
×
10
3
N
.
(b) Equilibrium of forces leads to 2
F
1
+2
F
2
=
Mg
,fromwhichweobtain
F
2
=3
.
89
×
10
3
N.
8. Our notation is as follows:
M
= 1360kg is the mass of the automobile;
L
=3
.
05m is the horizontal
distance between the axles;
=3
.
05
Plik z chomika:
kf.mtsw
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p13_007.pdf
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p13_020.pdf
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p13_019.pdf
(51 KB)
p13_016.pdf
(54 KB)
p13_017.pdf
(49 KB)
Inne foldery tego chomika:
chap01
chap02
chap03
chap04
chap05
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