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Three constant forces −→F1=(2^i−3^j+2^k) N,−→F2=(^i+^j−^k) N and −→F3=(3^i+^j−2^k) N displace a particle from (1,−1,2) m to (−1,−1,3) m and then to (2,3,4) m, displacement being measured in meters. Find the total work done by the forces.

Answer»

Three constant forces −→F1=(2^i−3^j+2^k) N,−→F2=(^i+^j−^k) N and −→F3=(3^i+^j−2^k) N displace a particle from (1,−1,2) m to (−1,−1,3) m and then to (2,3,4) m, displacement being measured in meters. Find the total work done by the forces.



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