A system of forces is acting on a rectangular plate, as shown in the figure below. The direction of the resultant force with x-axis is * 100 N A B 50 N 3 m 40 N C D -5 m 70 N 86.6 degrees O 273.4 degrees 68.8 degrees O none of the above

A system of forces is acting on a rectangular plate, as shown in the figure below. The direction of the resultant force with x-axis is * 100 N A B 50 N 3 m 40 N C D -5 m 70 N 86.6 degrees O 273.4 degrees 68.8 degrees O none of the above

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter8: Influence Lines

Section: Chapter Questions

Problem 10P

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Concept explainers

System of Forces

A force is an external influence or agent that changes the state of a system. According to Newton's second law, the force applied to a body is proportional to the change in momentum of a body. Hence, whenever a force is applied to a body, its momentum changes. If the body is at rest, under the action of force, its state of rest changes to motion. In other words, the magnitude of the momentum of the body changes from zero to a measurable value. Similarly, if the body possesses some initial velocity, it has some associated momentum, the effect of force can cause the body to halt or come to rest, that is, the momentum reduces to zero.

Question

76
O 1 p A:IV
223 N
-232 N
-223 N
none of the above
A system of forces is acting on a
rectangular plate, as shown in the figure
below. The direction of the resultant
force with x-axis is *
|100 N
B
50 N
3 m
40 N
C
D
5 m
70 N
86.6 degrees
273.4 degrees
68.8 degrees
none of the above
Three forces shown in the figure below

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