Which set of coordinate axes is the most convenient to use in this problem?

Question

Question

Which set of coordinate axes is the most convenien

Answer 1

Answer #1

Generally, the coordinate with positive x-axis and positive y-axis are the basis to resolve the vectors.

The x-component towards right is positive and the x-component towards left is negative.

The y-component vertically upward is positive and the y-component vertically downwards is negative.

Therefore, the set of coordinate axes in third figure are the correct represents to solve the problem.

Answer 2

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