If your car is making a whining noise when you press the gas, there are a few potential causes. It could be something as simple as low power steering fluid or a loose belt. Or, it could be something more serious like a problem with your transmission.
If you have low power steering fluid, topping it off may solve the problem. If you have a loose belt, tightening it may also do the trick. However, if the problem is with your transmission, it will likely need to be repaired or replaced.
If your car is making a whining noise when you press the gas, don't ignore it. Be sure to take it to a mechanic and have them diagnose the problem so that you can get it fixed before it leads to further damage.