A force f=4i+6j+3k acting on a practicle produces a displacement of s=2i+3j+5k where f is expressed in newton and s in meter find the work done by the force
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the work done is the scalar product of force and displacement.
Fvector=4i+6j+3k.
r vector=2i+3j+5k.
F.r=8+18+15
w=41
Fvector=4i+6j+3k.
r vector=2i+3j+5k.
F.r=8+18+15
w=41
Rashi937:
Gud answer
^_^
thanks
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Use formula w= F.r .....
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