Directions: Fill in the blanks with the correct word/s that complete/s the key concept in each item. possible position. 1. An object is in stable equilibrium if it is at the 2. An object with a base is more stable than one with base. 3. The stability of an object depends on the location of the and amount of mass. 4. is the product of force and the lever arm. 5. Net torque always produces 6. The lever arm is the the direction or line of action of the force. 7. There are two conditions for a body to be in rotational equilibrium: distance from the reference point to a. equilibrium is when the vector sum of all forces acting on it must be zero. b. equilibrium is when the sum of all torques about any point must be zero.