JEE Physics · Easy

Laws of Motion and Friction: Inclined Plane MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Inclined PlaneEasyQuestion 30210

Question

For a block on a smooth incline of angle θ, the component of gravity along the incline (down the slope) is:
  1. A
    mg cosθ
  2. B
    mg sinθ
    Correct
  3. C
    mg tanθ
  4. D
    mg

Correct answer

mg sinθ

Explanation

Resolving weight: component along the incline = mg sinθ, and perpendicular to incline = mg cosθ.