What is the moment for this diagram?

In summary, a moment in a diagram is a measure of the turning effect or torque of a force around a specific point or axis. It is calculated by multiplying the magnitude of a force by the perpendicular distance from the point or axis of rotation to the line of action of the force. A clockwise moment is a turning effect in the clockwise direction, while a counterclockwise moment is a turning effect in the counterclockwise direction. Moment is typically represented in a diagram by an arrow pointing in the direction of the moment vector, with the length of the arrow representing the magnitude of the moment. Some real-life examples of moments in diagrams include opening a door, turning a steering wheel, and using a wrench to loosen a bolt.
  • #1
Benjamin_harsh
211
5
Homework Statement
What is the moment for this diagram?
Relevant Equations
##M = F.S## and ##M = -F^2.S##
What is the moment for this diagram?

244188


I am getting two moments; ##M = F.S## and ##M = -F^2.S##

I am getting confused.
 
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  • #2
1 Check the dimensions

2 moment is wrt an axis -- you don't mention the axis
 
  • #3
I think answer is ##\sum M = 2.F.X##.
 
  • #4
Benjamin_harsh said:
I think answer is ##\sum M = 2.F.X##.
As BvU noted, you must define your axis.
Is X the same as S?
 
  • #5
Benjamin_harsh said:
I think answer is ##\sum M = 2.F.X##.
If you don't define an axis of rotation, your statement is meaningless.

Do you know the defnition of moment ?
 

FAQ: What is the moment for this diagram?

What is the definition of a moment in a diagram?

A moment in a diagram refers to the turning effect or torque caused by a force acting on an object. It is a measure of the force's ability to rotate the object around a fixed point or axis.

How is a moment represented in a diagram?

A moment is typically represented by a vector arrow pointing perpendicular to the plane of the diagram and labeled with its magnitude and direction.

What is the formula for calculating a moment in a diagram?

The formula for calculating a moment is M = F x d, where M is the moment, F is the force applied, and d is the perpendicular distance from the point of rotation to the line of action of the force.

What are some real-world examples of moments in diagrams?

Some examples of moments in diagrams include a wrench turning a bolt, a seesaw pivoting on a fulcrum, and a door being opened or closed by a doorknob.

How is the direction of a moment determined in a diagram?

The direction of a moment is determined by the right-hand rule, where the thumb points in the direction of the force and the fingers curl in the direction of the rotation.

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