What is the mathematical definition of torque, tau? What is the unit of torque,

Question

What is the mathematical definition of torque, tau? What is the unit of torque, tau, in the MKS system of units? Are the units of work and torque the same? What is the basic difference between the definition of work and torque? A 5.0-kg mass is held at 10 cm from an axis of rotation. A 4 N force is applied perpendicular to it. The value of the torque is N.m. A force is applied along the length of a rod. The torque on the rod is N.m What will be the torque when a door is pushed closest to its axis of rotation? Greatest or Least What will be the torque when a door is pushed at its knob? Greatest or Least The torque is defined as tau = F.r.sin theta. tau is greatest at what value of theta? 0 degree 45 degree 90 degree 180 degree.

Explanation / Answer

(1) Torque = Force*radius
(2) Unit of torque is Newton - meter (Nm)
(3) Yes
(4) Work is energy while torque is moment.

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