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In our example input electrical power of the motor is 0.22 A x 6 V = 1.32 W, output mechanical power is 1000 rpm x 2 x 3.14 x 0.00126 N•m /60 = 0.132 W. Motor torque changes with the speed. At no load you have maximum speed and zero torque. Load adds mechanical resistance.

## How do you calculate the mechanical power of a motor?

By taking the voltage and multiplying it by the associated current, the power can be determined. A watt (W) is a unit of power defined as one Joule per second. For a DC source the calculation is simply the voltage times the current: **W = V x A.**

## What is mechanical load on a motor?

Mechanical load is **the physical stress on a mechanical system or component**. Loads can be static or dynamic. Some loads are specified as part of the design criteria of a mechanical system.

## How do you find the load of a motor?

When calculating motor loads, you need to know how to convert a motor’s current rating (given in amps) to a VA rating. To do this, **multiply the motor’s nameplate amperage by the supply voltage.**

## What is the formula for mechanical force?

The formula for force says force is **equal to mass (m) multiplied by acceleration (a)**. If you have any two of the three variables, you can solve for the third. Force is measured in Newtons (N), mass in kilograms (kg), and acceleration in meters per second squared ( m/s2 ).

## What is load formula?

According to Sir Isaac Newton, the force of an entity equals its mass, multiplied by acceleration. This basic principle is what is used to calculate load force, which is the force that opposes that entity. … Apply Sir Isaac Newton’s formula: **force = mass x acceleration.**

## What is the load of motor?

Part-load is a term used to describe the **actual load served** by the motor as compared to the rated full-load capability of the motor. Motor part-loads may be estimated through using input power, amperage, or speed measurements.

## What are the types of mechanical load?

The five types of loads that can act on a structure are **tension, compression, shear, bending and torsion**.

## How do you calculate load?

Calculating an Electrical Load in a Simple Circuit

**Let Power = Voltage * Current (P=VI)**. Let Current = Voltage/Resistance (I=V/R). Apply Kirchoff’s Second Law, that the sum of the voltages around a circuit is zero. Conclude that the load voltage around the simple circuit must be 9 volts.

## What is the efficiency formula?

Efficiency is often measured as the ratio of useful output to total input, which can be expressed with the mathematical formula **r=P/C**, where P is the amount of useful output (“product”) produced per the amount C (“cost”) of resources consumed.

## What are the components of load torque?

**Components of load torques:**

- Friction Torque (TF) The friction torque (TF) is the equivalent value of various friction torques referred to the motor shaft.
- Windage Torque (Tw) When a motor runs, the wind generates a torque opposing the motion . …
- Torque required to do useful mechanical work ( Tm)