A force `vecF=5hati+6hatj+4hatk` acting on a body, produces a displacement `vecS=6hati-5hatk`.
Channel: Doubtnut
Date: 2020-08-30

A force `vecF=5hati+6hatj+4hatk` acting on a body, produces a displacement `vecS=6hati-5hatk`. Work done by the force is