The Student Room Group

hardish mechanics q

A force F1= i-3j-2k at the point -2i+9j, another force F2=2i+j-3k at the point -i+yj-k and a third force F3 are equivalent to zero. Find y for this to be possible. Find F3 and its line of action in this case.

hi

i cant quite do this one guys...anyone give me a hand

cheers
Reply 1
is this a lvl stuff?

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