II. Example An experimental device imparts a force of magni- tude F = 225 N to the front edge of the rim at A to 900 mm 700 mm simulate the effect of a slam dunk. Determine the moments of the force F about point O and about point B. Finally, locate, from the base at 0, a point C on the ground where the force imparts zero moment. B 300 mm 3050 mm
II. Example An experimental device imparts a force of magni- tude F = 225 N to the front edge of the rim at A to 900 mm 700 mm simulate the effect of a slam dunk. Determine the moments of the force F about point O and about point B. Finally, locate, from the base at 0, a point C on the ground where the force imparts zero moment. B 300 mm 3050 mm
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 6.66P: A uniform 80-ft pipe that weighs 960 lb is supported entirely by a cable AB of negligible weight....
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Question
Transcribed Image Text:II.
Eхample
An experimental device imparts a force of magni-
tude F = 225 N to the front edge of the rim at A to
900 mm
700 mm
simulate the effect of a slam dunk. Determine the
F
moments of the force F about point O and about
point B. Finally, locate, from the base at 0, a point C
on the ground where the force imparts zero moment.
300 mm
A
3050 mm
Example
The 30-N force P is applied perpendicular to the
portion BC of the bent bar. Determine the moment
of P about point B and about point A.
P = 30 N
1.6 m
45°
B
1.6 m
A
2.4.2 Couple
A couple consists of two forces which have equal
magnitudes and parallel but opposite in sense. The
moment of the couple is the algebraic sum of the
moments of its forces about any axis perpendicular
-F
a
to the plane of the couple.
(a)
II
>
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