I don't know what you mean by doing any of those things.
If this language is romanian, than this says 'What is the meaning of words undamaged, vaults, sifting, darts weaving the sacred forest fragment Petrisorului of Sadoveanu?'
A net force is defined as the sum of all the forces acting on an object. The equation below is the sum of N forces acting on an object. There may be several forces acting on an object, and when you add up all of those forces, the result is what we call the net force acting on the object.
You should avoid D) attempting to free the accelerator with your hand if your accelerator suddenly gets stuck. Attempting to free the accelerator with your hand, reduce your visibility when the car still in movement. This attempt could cause an accident to yourself and other drivers.
