2. Factors that would cause a forklift to become unstable include: A. Carrying a load too high B. Tilting a forklift too much C. Driving on a decline D. All of the above

## Step 1<br />The stability of a forklift is crucial for its safe operation. The stability of a forklift can be compromised by several factors.<br /><br />## Step 2<br />Option A suggests that carrying a load too high can destabilize a forklift. This is true because when a forklift carries a load too high, the center of gravity of the forklift shifts upwards. This shift can make the forklift unstable and increase the risk of tipping over.<br /><br />## Step 3<br />Option B suggests that tilting a forklift too much can destabilize it. This is also true because when a forklift is tilted too much, the center of gravity of the forklift shifts sideways. This shift can make the forklift unstable and increase the risk of tipping over.<br /><br />## Step 4<br />Option C suggests that driving on a decline can destabilize a forklift. This is true because when a forklift is driven on a decline, the force of gravity can cause the forklift to tip over.<br /><br />## Step 5<br />Given that all the options A, B, and C can destabilize a forklift, the correct answer is D, which states "All of the above".