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Question : 56 of 120
Marks:
+1,
-0
Solution:
Let,
=+3 and
=5+9 ∵ The particle is displaced from
to
, then
=− ⇒=(5+9)−(+3) ⇒=4+6 Force,
=2+3j (Given)
⇒W= Force
. Displacement
=(2+3).(4+6) ⇒W=8+18=26 units
Hence, option
A is the correct answer.
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