PLEASE HELP A vector points -1.55 units along the x-axis and 3.22 units along the y-axis find the direction of the vector. I really don't understand how to do this and I have to take my final. Please help me I will mark brainiest or something like that I don't know but please.

James is trying to prove newton's 2nd law of motion. he tries to move four different objects with different masses, shapes, and sizes from point a to point b. the objects are a toy car, a car, a refrigerator, and a kitchen table. after some experimentation, he finds that force is dependent on the mass of the object, rather than it's size or shape. the object that takes the most force to move is the