A farmer is attempting to raise the corner of a large water tank. She uses a metal rod as a lever. The farmer’s vertical force is constant and is always exerted at the end of the rod. Which change must make the upward force on the water tank larger?
- Ausing a longer rod and moving the pivot closer to the tank
- Busing a longer rod and moving the pivot further away from the tank
- Cusing a shorter rod and moving the pivot closer to the tank
- Dusing a shorter rod and moving the pivot further away from the tank