PPT Slide

Intro to torque: “angular force” or “turning effectiveness”

We are now concerned with where a force is acting

on an extended object

r=“moment arm”:

distance from the

pivot point O to Force

The cross product

is a fancy way to say

that the torque is either

clockwise or counterclockwise

wrt the “r-F plane”

Review cross

products from

chapter 1!

Torque is an axial

vector