0
vector
Wiki User
∙ 11y ago
Moment arm is a scalar quantity, as it represents the perpendicular distance from the axis of rotation to the line of action of a force. It does not have a direction associated with it, unlike vectors.
Ayatullah Ahmed
Scalar quantity
Add your answer:
Earn +20 pts
What is the formula for moment arm?
The formula for moment arm is distance between the point of rotation and the line of action of the force. Mathematically, it can be represented as the cross product of the position vector and the force vector.
Is it possible to calculate the torque on a rigid body without specifying the axis?
No, the torque on a rigid body is a vector quantity and depends on the axis of rotation. The torque is the cross product of the lever arm vector and the force vector relative to the axis of rotation. So the axis of rotation is essential in determining the torque on a rigid body.
What do you get when you multiply effort force by the effort arm distance?
When you multiply the effort force by the effort arm distance in a lever system, you get the effort moment or torque. This product represents the amount of work done by the applied force to rotate the lever around a fulcrum point.
SI units for moment arm is?
The SI unit for moment arm is meters (m). It represents the perpendicular distance between the point of rotation and the line of action of a force. It is a crucial parameter in calculating torque or moment in physics and engineering.
What is the moment arm of resistance?
The moment arm of resistance refers to the perpendicular distance from the line of action of a resisting force to the axis of rotation. It helps determine the torque generated by the resistance force on a lever or rotating object. A longer moment arm increases the torque generated by the resistance force.
How does moment arm create a force?
In any rotation the perpendicular distance coverd called moment arm . & also called position vector. for example :. in door the perp; distance b/w door & wall.
What is the unit of torque?
the unit of torque is NM.Torque has dimensions of force times distance. Official SI literature suggests using the unit newton metre (N·m) or the unit joule per radian.[8] The unit newton metre is properly denoted N·m or N m.Torque, moment or moment of force is the tendency of a force to rotate an object about an axis.The magnitude of torque depends on three quantities: the force applied, the length of the lever arm[2] connecting the axis to the point of force application, and the angle between the force vector and the lever arm. In symbols:whereτ is the torque vector and τ is the magnitude of the torque,r is the displacement vector (a vector from the point from which torque is measured to the point where force is applied), and r is the length (or magnitude) of the lever arm vector,F is the force vector, and F is the magnitude of the force,× denotes the cross product,θ is the angle between the force vector and the lever arm vector.
Is vector marketing a sales arm of the Cutco Corporation?
Yes, vector marketing is a sales arm of the Cutco corporation. The two arms of the Cutco corporation is vector marketing and Cutco cutlery. Vector marketing is a sales group.
Where is the effort on a screwdriver?
The Effort (or moment) Arm of a screwdriver would be the largest radius of the handle frop the center, ie. the radius of a cylinder. You can use any unit vector along a radius, because they will all yield the same torque (or moment).
What is the formula for moment arm?
The formula for moment arm is distance between the point of rotation and the line of action of the force. Mathematically, it can be represented as the cross product of the position vector and the force vector.
Is it possible to calculate the torque on a rigid body without specifying the axis?
No, the torque on a rigid body is a vector quantity and depends on the axis of rotation. The torque is the cross product of the lever arm vector and the force vector relative to the axis of rotation. So the axis of rotation is essential in determining the torque on a rigid body.
What do you get when you multiply effort force by the effort arm distance?
When you multiply the effort force by the effort arm distance in a lever system, you get the effort moment or torque. This product represents the amount of work done by the applied force to rotate the lever around a fulcrum point.
SI units for moment arm is?
The SI unit for moment arm is meters (m). It represents the perpendicular distance between the point of rotation and the line of action of a force. It is a crucial parameter in calculating torque or moment in physics and engineering.
What is meant by AVf AVl and AV in the ECG?
aVL (unipolar left arm electrode) -> augmented voltage/vector left aVR (unipolar right arm electrode) -> augmented voltage/vector right aVF (unipolar left leg electrode) -> augmented voltage/vector foot
Where does the word moment in the term moment arm come from?
i dont know why ask
Deduce an expression for the torque develop by the armature of a dc motor?
The torque developed by the armature of a DC motor can be expressed as: T = k * Ia * Φ where T is the torque, k is a constant factor, Ia is the armature current, and Φ is the magnetic flux in the motor.
Define moment of load?
THE PRODUCT OF LOAD AND LOAD ARM IS CALLED MOMENT OF LOAD.
