What is torque?

Answer 1

Try unscrewing the lid on a previously unopened jar of pickles.

You have just applied torque to the lid in order to overcome the differential pressure between the interior and exterior of the jar which sealed the lid closed.

Answer 2

Torque is part of the basic specification of an engine: the power output of an engine is expressed as its torque multiplied by its rotational speed. Internal-combustion engines produce useful torque only over a limited range of rotational speeds (typically from around 1,000–6,000 rpm for a small car). The varying torque output over that range can be measured with a dynamometer, and shown as a torque curve. The peak of that torque curve usually occurs somewhat below the overall power peak. The torque peak cannot, by definition, appear at higher rpm than the power peak.

Understanding the relationship between torque, power and engine speed is vital in automotive engineering, concerned as it is with transmitting power from the engine through the drive train to the wheels. Typically power is a function of torque and engine speed. The gearing of the drive train must be chosen appropriately to make the most of the motor's torque characteristics.

Steam engines and electric motors tend to produce maximum torque close to zero rpm, with the torque diminishing as rotational speed rises (due to increasing friction and other constraints). Therefore, these types of engines usually have quite different types of drivetrains from internal combustion engines.

Torque is also the easiest way to explain mechanical advantage in just about every simple machine.

Answer 3

basically torque is used with screw drivers and drills. the stronger the torque, the higher the number of the torque!

in Physics torque is the angular force which causes change in rotational motion
torque = r*f
r = position vector
f = force acting on the particle!

Answer 4

Torque is a measure of how much a force acting on an object causes that object to rotate. The object rotates about an axis, which we will call the pivot point, and will label 'O'. We will call the force 'F'. The distance from the pivot point to the point where the force acts is called the moment arm, and is denoted by 'r'. Note that this distance, 'r', is also a vector, and points from the axis of rotation to the point where the force acts.

Answer 5

in perspective to physics this is the angular force applied to an object. It can also be thought of as a rotational force. This is basically your linear force multiplied by the radius (radius from the center of that object to from where the force is applied)

torque = linear force * radius

units could vary depending on the system used for measurement. Newtons meter, or Newton cm or newton feet etc.

Answer 6

torque1 (tôrk) pronunciation
n.

1. The moment of a force; the measure of a force's tendency to produce torsion and rotation about an axis, equal to the vector product of the radius vector from the axis of rotation to the point of application of the force and the force vector.
2. A turning or twisting force.

tr.v., torqued, torqu·ing, torques.

To impart torque to.

[From Latin torquēre, to twist.]
torquer torqu'er n.
torquey torque'y adj.