N.B
.:
the finish must be alig
ned with
both the final tracks of
Blo
cks B
and
C
.
1.
The
gr
een
ball
rolls
along
the tr
ack and falls on
to
the tilting tr
ack
.
2.
This tr
ack is inclined
to
w
ar
ds the r
igh
t,
ther
ef
or
e the ar
riv
al of
the g
reen ball – which is
hea
vier
than
the
blue
ball
– causes its inclina
tion t
o
change
.
3.
The g
reen ball r
olls
to
w
ar
ds
the
lef
t and falls
on
to the tr
ack of
Blo
ck
C
.
4.
The g
reen ball r
olls a
shor
t w
ay up the tr
ack
to
w
ar
ds the lef
t but
then in
ver
ts its dir
ec
tion
and str
ikes the hammer
pendulum.
5.
The
hammer
pendulum
str
ikes the g
reen ball
which en
ters the finish.
6.
M
ean
while
, the blue ball
– due t
o the mo
vemen
t
of the tilting tr
ack – loses
its balanc
e and star
ts
rolling t
ow
ar
ds the r
igh
t
on the under
lying tr
ack
.
7.
The blue ball en
ters the
finish.
WHA
T HAPPENS:
CIRCUIT NO. 8
MED
IUM-
DIFFIC
UL
TY
ROUTES
20
Summary of Contents for Action & Reaction
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