science(physics)

a force f= 3i+cj+2k acting on a particle causes displacement , d=-4i+2j+3k.
If the work done is 6 joule then the value of c.
Plz. Solve

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  1. The dot product f*d equals 6 Joules, if the force is in Newtons and the displacement distance is in meters.

    -12 +2c +6 = 12

    2c = 18

    Take it from there

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