Physics, 09.01.2020 01:31 fredvales19

Force f=2.0n i - 3.0n k acts on a pebble with position vectorr=0.50m j - 2.0m k relative to the origin. in unit vector notation, what is the resulting torque on the pebble about (a) the origin and(b) the point (2.0m, 0,-3.0m)? a) dot product of f*r=(-3..0m)=6.0nmb) sqrt( 2.0^2+0^2+3.0^2) = sqrt(13)i've tried but not sure. me. you.

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Force f=2.0n i - 3.0n k acts on a pebble with position vectorr=0.50m j - 2.0m k relative to the orig...