International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter6: Beams And Cables
Section: Chapter Questions
Problem 6.76P: The 50-ft measuring tape weighs 2.4 lb. Compute the span L of the tape to four significant figures.
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Shape
Area
h
bh
Triangular area
3
2
Quarter-circular
4r
4r
area
4
Semicircular area
4r
0|
37
Quarter-elliptical
4a
4b
mab
area
37
37
4
4b
37
Semielliptical
mab
a
area
2
Semiparabolic
|
За
3h
2ah
area
8
3h
5
4ah
3
Parabolic area
y = kx2
3a
ah
Parabolic spandrel
3h
10
h
4
Transcribed Image Text:Shape Area h bh Triangular area 3 2 Quarter-circular 4r 4r area 4 Semicircular area 4r 0| 37 Quarter-elliptical 4a 4b mab area 37 37 4 4b 37 Semielliptical mab a area 2 Semiparabolic | За 3h 2ah area 8 3h 5 4ah 3 Parabolic area y = kx2 3a ah Parabolic spandrel 3h 10 h 4
The homogeneous wire ABCD is bent as shown and is attached
to a hinge at C. Determine the length L that results in portion
BCD of the wire being horizontal.
200 mm
-L-
В
D
IC
150 mm
A
Transcribed Image Text:The homogeneous wire ABCD is bent as shown and is attached to a hinge at C. Determine the length L that results in portion BCD of the wire being horizontal. 200 mm -L- В D IC 150 mm A
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