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NDA 1 2025 GAT, question 88

Topic: Geography

Q88

Which of the following is/are the applied forces in mechanical weathering process ?

  1. Gravitational force

  2. Expansion force

  3. Force due to water pressure

Select the answer using the code given below :

  1. (a) 1 only
  2. (b) 1 and 2 only
  3. (c) 2 and 3 only
  4. (d) 1, 2 and 3Correct answer

Solution.

Answer: (d) 1, 2 and 3

  1. Mechanical weathering breaks rocks without changing their chemical composition.
  2. The textbook grouping includes gravitational loading or stress, expansion caused by temperature changes or crystal growth, and pressure exerted by water.
  3. All three forces can contribute to physical disintegration.