The angle at which x and y components of force are equal ______?
- 45°
- 0°
- 30°
- None of these
Explanation
At 45°, the sine and cosine of the angle are equal (sin 45° = cos 45° ≈ 0.707), so the x and y components of the force are equal.
This is because Fx = Fcosθ and Fy = Fsinθ; they are equal only when cosθ = sinθ.
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