Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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*An example problem is also attached on how the equations should look.

USE MOMENT EQUATION ABOUT A'
PROBLEM 3
GIVEN
DETERMINE
REAR- WHEEL DRIVE CAR
M = 450kg
a_ = 7m/s²
NORNAL FORCES
UNDER WWHEEL S
AND TRACTION
%3D
1o INCLINE
0.45m
1.2m
1.2m
F10° Te
A"
OSE MOMENT EQUATION ABOUT
ZMA
MA,
m aa
alANg = 1.2 MG coS CIơ) - a45 NGsin 1ơ°–a45MAq
Ng=
1.2 m
geoli0)-a45.mgsin1o- 945 maa
2.4
2,1r13.T469
Ng = 1439.36N
Z Fy =m Aay
143. 7319
590.625
=> Na +NB- MgcOS(48)
NA-Ng +m g.cosCI8) = 2,908.0738N
-Ng +m g.cos(10) = Ñ
mq sim Clo)=Mq, =>TR= 3,916.5699
2,908.0138
-
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Transcribed Image Text:USE MOMENT EQUATION ABOUT A' PROBLEM 3 GIVEN DETERMINE REAR- WHEEL DRIVE CAR M = 450kg a_ = 7m/s² NORNAL FORCES UNDER WWHEEL S AND TRACTION %3D 1o INCLINE 0.45m 1.2m 1.2m F10° Te A" OSE MOMENT EQUATION ABOUT ZMA MA, m aa alANg = 1.2 MG coS CIơ) - a45 NGsin 1ơ°–a45MAq Ng= 1.2 m geoli0)-a45.mgsin1o- 945 maa 2.4 2,1r13.T469 Ng = 1439.36N Z Fy =m Aay 143. 7319 590.625 => Na +NB- MgcOS(48) NA-Ng +m g.cosCI8) = 2,908.0738N -Ng +m g.cos(10) = Ñ mq sim Clo)=Mq, =>TR= 3,916.5699 2,908.0138 -
1) A loaded wheelbarrow is pulled to the left with an acceleration a = 2 m / s2 by a force P. In this motion,
the wheelbarrow does not rotate and the force of friction as well as the effect of the rotation of the wheel
may be neglected. The combined mass of the wheelbarrow and its load is 250 kg with center of mass at
G. For this instant, determine the horizontal and vertical components of the force P and the normal
reaction at B.
a
P
G
60 cm
50 cm
1 m
20 cm
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Transcribed Image Text:1) A loaded wheelbarrow is pulled to the left with an acceleration a = 2 m / s2 by a force P. In this motion, the wheelbarrow does not rotate and the force of friction as well as the effect of the rotation of the wheel may be neglected. The combined mass of the wheelbarrow and its load is 250 kg with center of mass at G. For this instant, determine the horizontal and vertical components of the force P and the normal reaction at B. a P G 60 cm 50 cm 1 m 20 cm
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