3. Torque Flashcards
1
Q
What is torque?
A
measurement of a forces effectiveness at making an object accelerate rotationally
2
Q
What is the pivot point/fulcrum?
A
the point that does not move while an object is rotating; center of the circle
3
Q
What is the radius vector?
A
the vector from the pivot point to the point of application of force
4
Q
What is the equation for torque?
A
t = rFsin(angle)
5
Q
What are the units for torque?
A
Nm
6
Q
At what angle between r and F do we get the maximum torque for a given force?
A
90 degrees
7
Q
How do we specify CCW rotation?
A
positive
8
Q
How do we specify CW rotation?
A
negative
9
Q
What is the equation for torque using lever arm?
A
t = lF
