Q4 Find the moment about point O in figure 2.25 Na50.52.25 m40 N20 N2.75 m2 m1301.5n3 m3020NFigure 2

Answer: The moment about point O is 4.469725 N•m (anti-clockwise).

Answered: Q4 Find the moment about point O in…

Engineering

Mechanical Engineering

Q4 Find the moment about point O in figure 2. 25 N 45 0.5 2.25 m 40 N 20 N 2.75 m 2 m 30 15m 3 m 30 20N Figure 2

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter1: Introduction To Statics

Section: Chapter Questions

Problem 1.65P: Find a unit vector that is perpendicular to both A=4i-3j-2km and B=2i4j+3km.

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Q: Q4 Find the moment about point O in figure 2. 25 N 45 2.25 m 40 N 20 N 2.75 m 2 m 30 15m 3 m 30 20N ...

A: It is required to determine moment about point O

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Concept explainers

Center of Gravity and Centroid

The term center of gravity indicates the position or location of a point about which the whole weight of a body or system is supposed to be concentrated, which means the whole weight of the body or system works through this point. It is closely related to mass distribution. For all positions of the body, the center of gravity would be a single point.

Question

Q4 Find the moment about point O in figure 2.
25 N
a5
0.5
2.25 m
40 N
20 N
2.75 m
2 m
130
1.5n
3 m
30
20N
Figure 2

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