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TM-207-T10 Statics > Lectures 3, 4, 5 - Chapter 3 - Three Resultants of Coplanar Force Systems > Flashcards

Lectures 3, 4, 5 - Chapter 3 - Three Resultants of Coplanar Force Systems Flashcards

1
Q

What is a Resulant?

A
  • The sum of all vectors.
  • Also acts as an output, which is also a vector and a force.
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2
Q

What is the Resultant Force?

A
  • The sum of the original forces.
  • There are at least two forces, and there can be more involved.
  • This Resultant force is also defined, and it created from the sum.
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3
Q

What is the Resultant Force of a Concurrent Coplanar Force Systems?

A

This sum of original forces derives from the addition/totalling of all forces within the Concurrent Coplanar Force System.

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4
Q

How can the Resultant Force of a Concurrent Coplanar Force System be found

A

It can be found through:
* the Parallelogram Law
* the Triangle Law
* the Method of Components

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5
Q

What is an Orthogonal Force?

A
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6
Q

What does Collinear mean?

A
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7
Q

What happens when you have the effect of two components?

A
  • When two components are acting together, it is the same effect caused by the original force.
  • Two components that are usually orthogonal, at right angles to one another
  • Usually colinear
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8
Q

What is the Magnitude of the moment?

A
  • Product of the Force and Moment Arm
  • M(force) = F x M(arm)
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9
Q

What is the Moment Arm? This is needed in order to calculate the magnitude of the Moment.

A

The Moment Arm is the perpendicular distance from the line of action of the force to the Moment Center.

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10
Q

What is the Moment Center?

A
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11
Q

What does the word, Perpendicular indicate in Statics, when it comes to solving Coplanar Force Systems?

A
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12
Q

What Direction of the Moment is positive?

A

Counterclockwise rotation indicates Positive Direction for the moment
CCW = (+)

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13
Q

What Direction of the Moment is negative?

A

Clockwise rotation indicates Negative Direction for the moment
CW = (+)

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14
Q

What is Varginon’s Theorem?

A

The algebraic sum of the moments of the componets of a force system is equal to the moment of the resultant force system.
(Algebraic Sum of Moments of Components of a Force System) = (Moment of Resultant Force System)

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15
Q

What is a Parallel Force System?

A
  • All the force’s lines of action are Parallel
  • No diagonal lines
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16
Q

What is the Resultant of the Parallel Force System?

A
17
Q

What is a Distributed Load?

A
18
Q

What is a Centroid?

A
19
Q

What is the Resultant of the Distributed Load?

A

The resultant of the Distributed Load act at the centroids of the load areas.

20
Q
A

TM-207-T10 Statics (3 decks)

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