Define torque. What is the unit of torque? 2. How do we define the direction of a torque? 3. What are the conditions for a rigid body to be in equilibrium? 4. Write the equations for the rotational equilibrium for the meter stick in the image below Meter stick 5. In the picture below two masses are hanging from a rod which is pivoted at the point P. In order to keep the system is in equilibrium, how far the masses should be kept from the pivot point? Pivot point