Two forces F1 =2i-5j-6k and F2 =-i+2j-I are acting on a body at the points (1,1,0)and(0,1,2)respectively .Find torque acting on the body about point (-1,0,1)
Sreenija Dowpati , 5 Years ago
Grade 11
1 Answers
Vaishnavi jayale
Last Activity: 5 Years ago
Let r1=i+j
r2=j+k
r3=-i+k
So ,r2-r1=r3
So, f2-f1=f3
Torque is r cross f
So ans. Is =-7i+2j+7k
Soanswer
And now torque is
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