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phy cet
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3 forces acting on a body F
1
F
2
F
3
on mass m and F
1
is reversed in direc. then a=
-2f
1
/m
with surface;mv=
2mvsin*
normal to surface ;mv=
2mvcos*
change in the movementum when the ball bounces (daily)
m(v+u)
in circle change in movementum
2mvsin*/2
general formulae for force
m dv/dt+v dm/dt
inertial mass of the body
F/a
apparent weight of a body in lift when it is moveing up
w=m(g+a)
apparent weight of a body in lift when it is moveing down
w=m(g-a)
inside a train,effective a is
root g
2
+a
2
Author
Anonymous
ID
51490
Card Set
phy cet
Description
CET
Updated
2010-11-24T11:38:39Z
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