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5. A wooden square of side length 1 m is on a horizonta I tabletop and is free to rotate about its center axis. The square is subject to two forces and rotates. Find the net torque o system f the 4N (a) 4 N*m (b) 12 N*m (c)4 2 Nm (d) 2 2 Nm (e) 2 N*m 6. In the above figure where should another 4N force be applied to maximize its rotational torque?
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