Types of Machines in the Body - Introduction to Torques Flashcards
What is ‘centric force’?
An external force directed through an objects centre of gravity
What is ‘eccentric force’?
An external force not directed through an object’s centre of gravity
What is a ‘force couple’?
Forces that are equal in size but opposite in direction and do not act in the same line
What is ‘torque’?
The rotatory force when the line of action of a force does not pass through the axis of rotation
What is the ‘moment arm’?
The perpendicular distance between the line of action of the force and a parallel line passing through the object’s axis of rotation
What is the equation for Torque?
Torque = Force x Moment arm
(always convert moment arm into m)
What is rotation in an anti-clockwise manor referred to as?
Positive torque
What is rotation in a clockwise manor referred to as?
Negative torque
