Match the measurement with the variable. (Notice the words "West" and "up." Why are these important?)

1. 30m/s, West A. Distance

2. 25 m, up B. Displacement

3. 2.5 m/s C. Speed

4. 100 m D. Velocity

Roger pushes a box on a 30° incline. if he applies a force of 60 newtons parallel to the incline and displaces the box 10 meters along the incline, how much work will he do on the box? a. 5.2 × 102 joules b. 6.0 × 102 joules c. -5.2 × 102 joules d. -6.0 × 102 joules