1. Integrating the dot product of force and displacement yields
   1. a scalar quantity
   2. a vector quantity
   3. neither
2. Integrating the product of force and time yields
   1. a scalar quantity
   2. a vector quantity
   3. neither
3. Joe measures the center of mass of a telephone. What are the units of center of mass?
   1. kg
   2. meters
   3. kg*meters