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Physics · May / June 2019 · Paper 11 · Question 6

5054Balanced and unbalanced forces

A hot-air balloon is travelling at constant velocity and is at a constant height above the ground. The diagram shows the only four forces acting on the balloon. Which statement is correct?

  1. AW and Y are equal, X and Z are equal.
  2. BW and Y are equal, X is greater than Z.
  3. CX and Z are equal, Y is greater than W.
  4. DY is greater than W, X is greater than Z.

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Correct answer: A. W and Y are equal, X and Z are equal.

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