JEE Physics · Hard

Laws of Motion and Friction: Advanced — Pulley Constraint MCQ

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

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Advanced — Pulley ConstraintHardQuestion 30279

Question

In a system with one fixed pulley, if the rope is inextensible and block A goes up 2 m, block B goes:
  1. A
    Up 2 m
  2. B
    Down 2 m
    Correct
  3. C
    Down 4 m
  4. D
    Up 1 m

Correct answer

Down 2 m

Explanation

With a single fixed pulley and inextensible rope, both ends of the rope move equally. If A goes up 2 m, B goes down 2 m.