Transcript Lec04-105A-12-10Fall-Torque.pptx

Physics 105A
Analytical Mechanics
Balancing Torques
Newton’s Laws
28 June 2016
Manuel Calderón de la Barca Sánchez
If you don’t know that
bodies at rest tend to stay
at rest, you don’t know the
First thing about
mechanics, dude!
Balancing Torques
a
28 June 2016
b
MCBS
Leaning ladder
 A ladder leans against a frictionless wall.
If the coefficient
of friction with the ground is m, what is the smallest angle
the ladder can make with the ground and not slip?
28 June 2016
MCBS