The top portion of a pole saw used to trim (a) Find the force P on the cutting Made at D if tbe small branches from trees is shown in the figure tension
The top portion of a pole saw used to trim (a) Find the force P on the cutting Made at D if tbe small branches from trees is shown in the figure tension
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
The top portion of a pole saw used to trim (a) Find the force P on the cutting Made at D if tbe small branches from trees is shown in the figure tension force in the rope is T = 25 lb (see free- part a. The cutting blade BCD (see figure parts a and body diagram in figure part b). c) applies a force P at point D. Ignore the effect of (b) Find the force in the pin at C. the weak return spring attached to the cutting blade (c) Find average shear stress r a v e r and bearing below B. Use properties and dimensions given in the stress in the support pin at C (see section a-a figure. through the cutting blade in figure part c).
![Rope, tension = 7T
27
50BC = 6 in.
Cutting blade
3
(=
in.)
200
Weak return spring
70°
6 in.
Collar
3
in.
20°
DC = 1 in. D
1 in.
Saw blade
20
Pin at C
Collar Cutting
blade
70°
(4, = in)
(a) Top part of pole saw
(b) Free-body diagram
(c) Section a-a
PROBLEM 1.8-21](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2f8a4ea3-e9cc-409a-938b-8afdcf6b81bb%2Fc95b8219-8cb9-4929-bb64-f1ea8b53ce80%2Fhvczno_processed.png&w=3840&q=75)
Transcribed Image Text:Rope, tension = 7T
27
50BC = 6 in.
Cutting blade
3
(=
in.)
200
Weak return spring
70°
6 in.
Collar
3
in.
20°
DC = 1 in. D
1 in.
Saw blade
20
Pin at C
Collar Cutting
blade
70°
(4, = in)
(a) Top part of pole saw
(b) Free-body diagram
(c) Section a-a
PROBLEM 1.8-21
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