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Physics
Physics
Problem
Five forces
A
B
AB
A
B
,
A
C
AC
A
C
,
A
D
AD
A
D
,
A
E
AE
A
E
,
A
F
AF
A
F
act at the vertex
A
A
A
of a regular hexagon
A
B
C
D
E
F
ABCDEF
A
B
C
D
E
F
. Then, their resultant is a.
3
A
O
3AO
3
A
O
b.
2
A
O
2AO
2
A
O
c.
4
A
O
4AO
4
A
O
d.
6
A
O
6AO
6
A
O
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