One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to the tabletop (see the figure). Two forces, both parallel to the tabletop, are applied to the stick in such a way that the net torque is zero. One force has a magnitude of 4.00 N and is applied perpendicular to the stick at the free end. The other force has a magnitude of 6.00 N and acts at a 60.0° angle with respect to the stick. Where along the stick is the 6.00-N force applied? Express this distance with respect to the axis of rotation. F2 = 6.00 N 60.0 נ י Axis of rotation F = 4.00 N

Q: 90° 125 N 90 90.0 N

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.