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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
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2004
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Q)
In a right angle
Δ
A
B
C
,
∠
A
=
90
∘
and sides a, b, c respectively, 5 cm, 4 cm and 3 cm. If a force
→
F
has moments 0, 9 and 16 in N cm units respectively about vertices A, B and C, then magnitude of
→
F
is
( A ) 4
( B ) 9
( C ) 3
( D ) 5
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