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Moment of Couple Formula

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The moment of couple is a vector quantity and has a direction along the axis of rotation determined by the right-hand rule. Check FAQs

M c = F \cdot r F-F

M_c - Moment of Couple?F - Force?r_F-F - Perpendicular Distance between Two Forces?

Moment of Couple Example

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With units

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Here is how the Moment of Couple equation looks like with Values.

Here is how the Moment of Couple equation looks like with Units.

Here is how the Moment of Couple equation looks like.

12.5 = 2.5 \cdot 5

12.5N*m = 2.5N \cdot 5m

12.5 = 2.5 \cdot 5

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Moment of Couple Solution

Follow our step by step solution on how to calculate Moment of Couple?

FIRST Step Consider the formula

M c = F \cdot r F-F

Next Step Substitute values of Variables

∴

M c = 2.5N \cdot 5m

Next Step Prepare to Evaluate

∴

M c = 2.5 \cdot 5

LAST Step Evaluate

∴

M c = 12.5N*m

Moment of Couple Formula Elements

Variables

Moment of Couple

The moment of couple is a vector quantity and has a direction along the axis of rotation determined by the right-hand rule.

Symbol: M_c

Measurement: TorqueUnit: N*m

Note: Value can be positive or negative.

Formulas to find Moment of Couple

Force

Force is any interaction that, when unopposed, will change the motion of an object. In other words, a force can cause an object with mass to change its velocity.

Symbol: F

Measurement: ForceUnit: N

Note: Value should be greater than 0.

Formulas to find Force

Perpendicular Distance between Two Forces

Perpendicular Distance between Two Forces is denoted by r.

Symbol: r_F-F

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Perpendicular Distance between Two Forces

Other formulas in Mechanics and Statistics of Materials category

Go Radius of gyration given moment of inertia and area

k G = \sqrt{\frac{I r}{A}}

Go Moment of inertia given radius of gyration

I r = A \cdot {k G}^{2}

Go Moment of inertia of circle about diametrical axis

I r = \frac{π \cdot d^{4}}{64}

Go Resultant of Two Forces acting on Particle with Angle

R par = \sqrt{{F 1}^{2} + 2 \cdot F 1 \cdot F 2 \cdot \cos (θ) + {F 2}^{2}}

How to Evaluate Moment of Couple?

Moment of Couple evaluator uses Moment of Couple = Force*Perpendicular Distance between Two Forces to evaluate the Moment of Couple, The Moment of couple formula is defined as the product of force and the perpendicular distance between two force. Moment of Couple is denoted by M_c symbol.

How to evaluate Moment of Couple using this online evaluator? To use this online evaluator for Moment of Couple, enter Force (F) & Perpendicular Distance between Two Forces (r_F-F) and hit the calculate button.

FAQs on Moment of Couple

What is the formula to find Moment of Couple?

The formula of Moment of Couple is expressed as Moment of Couple = Force*Perpendicular Distance between Two Forces. Here is an example- 12.5 = 2.5*5.

How to calculate Moment of Couple?

With Force (F) & Perpendicular Distance between Two Forces (r_F-F) we can find Moment of Couple using the formula - Moment of Couple = Force*Perpendicular Distance between Two Forces.

Can the Moment of Couple be negative?

Yes, the Moment of Couple, measured in Torque can be negative.

Which unit is used to measure Moment of Couple?

Moment of Couple is usually measured using the Newton Meter[N*m] for Torque. Newton Centimeter[N*m], Newton Millimeter[N*m], Kilonewton Meter[N*m] are the few other units in which Moment of Couple can be measured.

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