\(FA=28.86\)
\(=100i-120j+75Fk\)
\(F2=-200i+250j+100k\)
\(Mo=rxf\)
\(=0i+0j+ork1\ r2=4i+5j-3k\)
\(Fr=-100i+130j+175k\)
\(rA=0i+0j+0krb=4i+5j+3k\)
\(rAxf1=\) i j k
0 0 0 \(\) \(=0i+0j+0k\)
100 120 75
\(RBX\ F2=\) i j k
4 5 3 \(=i\left(875-390\right)-j\left(700-\left(-300\right)\right)+k\left(500+520\right)\) \(=485i-1000j+1020k\)
-100 130 175