1. If 7 = 2i+3 i+4k acts on a body and
displaces it by S = 3i+2j+5k , then the work
done by the force is
1) 12 J 2) 20 J 3) 32 J 4) 64 J
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हुए जो पास हम तुम आपकी ममता
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