I
·
Physics ·
Vector physical quantity
:
xillibriant: force
/ both
that will put
magnitude
a
L direction
system in
Forces :
equillibrium
↳ push or a pull
Standard Forces :
1) Weight gravitational force of Earth
: on object near surface
2) Friction force that opposes motion
: of an object
3Normal Perpendicular forceexerted by a surface on an object in contact
5) Applied : force applied on an object
Free
Body Diagrams :
1
draw central dot
decide upon angle
3) draw forces wh appropriate proportions
2) label forces
5) writedownkeyponents don't draw maino a
Standard Forces Equations :
1) Weight Fg : =
mg , Fg , mysinG
=
· Fg mycos =
2) Normal : En =
Fg ,
FN = Fg1
3) Friction FFEMFN , FfEMFn :
FgY Fg
moving object stationary object,
p
Fgk
2) Tension : FT Net Force Fret : = ma
5) Applied :
Fapp