Two spheres are dropped from rest from the same height above the ground. Each sphere attains terminal velocity. One sphere has a greater density than the other sphere, and the two spheres have the same volume. Which statement is correct when both spheres are moving at terminal velocity?
- AThe drag forces on the spheres are equal.
- BThe resultant forces on the spheres are equal.
- CThe velocities of the spheres are equal.
- DThe weights of the spheres are equal.