A uniform force of (3^i+^j)N newton acts on a particle of mass 2kg. Hence the particle is displaced from position (2^i+^k) meter to position (4^i+3^j−^k) meter. The work done by the force on the particle is:-
A
15J
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B
9J
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C
6J
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D
13J
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Solution
The correct option is B9J Given →F=3^i+^j, Position →r1=2^i+^k and →r2=4^i+3^j−^k