What additional force must be added to the hook at A for it to be in static equilibrium? Express your answers in terms of magnitude and direction cosine angles for the additional force.

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.50P: The block of weight W is pulled by the force P inclined at the angle to the horizontal. Find the...
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4 ft
B
20 lb
3 ft
A
X
-2 ft
40 lb
Z
1.5 ft
2 ft
20
C
What additional force must be added to the hook at A for it to be in static equilibrium?
Express your answers in terms of magnitude and direction cosine angles for the additional force.
The additional force that must be added for
A is 52.2 pounds.
Please answer the second part, express the
answer in terms of magnitude and direction
cosine angles for the additional force. the
answer should be 92°, 116°, and 26° please
show how
Transcribed Image Text:4 ft B 20 lb 3 ft A X -2 ft 40 lb Z 1.5 ft 2 ft 20 C What additional force must be added to the hook at A for it to be in static equilibrium? Express your answers in terms of magnitude and direction cosine angles for the additional force. The additional force that must be added for A is 52.2 pounds. Please answer the second part, express the answer in terms of magnitude and direction cosine angles for the additional force. the answer should be 92°, 116°, and 26° please show how
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