www.eloquentlogic.com
eloquent logic eloquent logic






=

Legend

Fnet

 = net force

m 

= mass

a 

= acceleration

Fg

 = force of gravity

Ff

 = force of friction

Formulas

Problem type:

No Friction

Friction

Friction + Incline
Free-body diagram: Free-body diagram Free-body diagram Free-body diagram
Chosen axes:

Chosen axes

Chosen axes

Chosen axes
Equations:

x direction
Fnet = ma
= Fapplied		 Fnet = ma
= Fapplied-Ff		 Fnet = ma
= Fapplied-Ff-
Fgsin

y direction
Fnet = 0
= FN - Fg		 Fnet = 0
= FN - Fg		 Fnet = 0
=
FNcos-Fgcos

Ff

=

 FN = coefficient of static friction

Ff

=

 FN = coefficient of static friction
Previous Lesson Interactive Lab Problems Next Lesson

 

created by Will Kuo and Stan Watterson
thinkquest participants  team 25844
©1999 Eloquent Logic. All rights reserved.