Table of Contents
What is torque and how is it calculated?
Torque is the twisting force that tends to cause rotation. The point where the object rotates is known as the axis of rotation. Mathematically, torque can be written as T = F * r * sin(theta), and it has units of Newton-meters.
What is the formula of torque Class 11?
Torque is proportional to the lever arm distance. i.e., the distance between the rotation axis and the force applied point. The formula of torque is given by, Torque = angular acceleration x moment of inertia …………..
What is torque in physics class 12?
Torque is the measure of the force that can cause an object to rotate about an axis. Hence, torque can be defined as the rotational equivalent of linear force. The point where the object rotates is called the axis of rotation. In physics, torque is simply the tendency of a force to turn or twist.
How do you calculate torque from kW?
Kilowatt is a function of torque and revolutions per minute and is calculated as following: Power (kW) = torque (Nm) x speed (revolutions per minute, or RPM) / 9.5488.
What is the difference between the units Nm and Nm?
One newton-metre is equal to the torque resulting from a force of one newton applied perpendicularly to the end of a moment arm that is one metre long. The nonstandard notation Nm occurs in some fields….
| Newton-metre | |
|---|---|
| Unit of | torque |
| Symbol | N⋅m or N m |
| Conversions | |
| 1 N⋅m in … | … is equal to … |
How to calculate the amount of torque needed?
Method 1 of 3: Finding Torque for Perpendicular Forces Find the length of the moment arm. The distance from the axis or rotational point to the point where force is applied is called the moment arm. Work out the force being applied perpendicular to the moment arm. The force applied perpendicular to the moment arm produces the greatest torque. Multiply the force times the distance to find the torque.
What is the physics equation for torque?
The torque (also moment) about an axis, due to a force, is a measure of the effectiveness of the force in producing rotation about that axis. The torque equation is: τ = rFsinθ.
How do you calculate magnitude of torque?
A practical way to calculate the magnitude of the torque is to first determine the lever arm and then multiply it times the applied force. The lever arm is the perpendicular distance from the axis of rotation to the line of action of the force.
What is the unit of measurement for torque?
The metric (SI) unit of torque is the newton metre (Nm). In inch units, torque is usually measured as Lb-Ft (pounds feet) or Lb-In (pounds inch).