80 mm 300 mm 240 mm 80 mm 240 min C The rectangular plate is supported by the brackets at A and B and by a wire CD. Knowing that the tension in the wire is 200 N, determine the moment about A of the force exerted by the wire at C.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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The rectangular plate is supported by the brackets at A and B and by a wire CD. Knowing that the tension in the wire is 200 N, determine the moment about A of the force exerted by the wire at C.
24 in.
24 in.
d
V240 lb
60°
60e
60°
Мо
O 2007 The McGraw-Hill Companies, Inc. All rights reserved.
3 - 19
Vector Mechanics for Engineers: Statics
Sample Problem 3.4
80 mm
300 mm
SOLUTION:
D
240 mm
The moment M, of the force F exerted
by the wire is obtained by evaluating
the vector product,
80 mm
240 min
The rectangular plate is supported by
the brackets at A and B and by a wire
CD. Knowing that the tension in the
wire is 200 N, determine the moment
about A of the force exerted by the
wire at C.
O 2007 The McGraw-Hill Companies, Inc. All rights reserved.
3 - 20
Vector Mechanics for Engineers: Statics
Sample Problem 3.4
SOLUTION:
0.08 m
0.3 m
0.24 m D
H = - = (0.3 m)i'+ (0.08 m)†'
lo
0.08 m
F= FX = (200 N)CD
-(0 3 mf (0.24 m)P -(0.32 mP
-(120 N)P- (96 N)P-(128 N)
A200 N
TCIA
-(0.32 m).
(200 N)-
0.5 m
(28.8 N-m)j
D- (7.68 N•m)i
= 0.3
0.08
–120 96 -128
F = (200 N)A
(28.8 N-m) k
(7.68 N m)+(28.8 N · m)F+(28.8 N m)k
C
O 2007 The McGraw-Hill Companies, Inc. All rights re
- 21
Vector Mechanics for Engineers: Statics
Scalar Product of Two Vectors
E V V A A
Transcribed Image Text:24 in. 24 in. d V240 lb 60° 60e 60° Мо O 2007 The McGraw-Hill Companies, Inc. All rights reserved. 3 - 19 Vector Mechanics for Engineers: Statics Sample Problem 3.4 80 mm 300 mm SOLUTION: D 240 mm The moment M, of the force F exerted by the wire is obtained by evaluating the vector product, 80 mm 240 min The rectangular plate is supported by the brackets at A and B and by a wire CD. Knowing that the tension in the wire is 200 N, determine the moment about A of the force exerted by the wire at C. O 2007 The McGraw-Hill Companies, Inc. All rights reserved. 3 - 20 Vector Mechanics for Engineers: Statics Sample Problem 3.4 SOLUTION: 0.08 m 0.3 m 0.24 m D H = - = (0.3 m)i'+ (0.08 m)†' lo 0.08 m F= FX = (200 N)CD -(0 3 mf (0.24 m)P -(0.32 mP -(120 N)P- (96 N)P-(128 N) A200 N TCIA -(0.32 m). (200 N)- 0.5 m (28.8 N-m)j D- (7.68 N•m)i = 0.3 0.08 –120 96 -128 F = (200 N)A (28.8 N-m) k (7.68 N m)+(28.8 N · m)F+(28.8 N m)k C O 2007 The McGraw-Hill Companies, Inc. All rights re - 21 Vector Mechanics for Engineers: Statics Scalar Product of Two Vectors E V V A A
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