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AA Physics Addition of Vectors (Rectangular Components
nmdcat.online August 7, 2026

21. A force of 20 N acts at 120° from the positive x-axis. Its rectangular components are

A. +10 N and +17.32 N
B. -10 N and +17.32 N
✓
C. -10 N and -17.32 N
D. +10 N and -17.32 N

📝 Explanation

(F_x=20cos120^circ=-10) N and (F_y=20sin120^circ=17.32) N.

📖 Additional Information

  • +10 N and +17.32 N
  • -10 N and +17.32 N
  • -10 N and -17.32 N
  • +10 N and -17.32 N

(F_x=20cos120^circ=-10) N and (F_y=20sin120^circ=17.32) N.

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