NDA 2025
- Exam
- NDA
- Year
- 2025
- Subject
- General Ability
- Chapter
- General Studies
NDA 2025 · General Ability · General Studies
Which of the following is/are the applied forces in mechanical...
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. Gravitational force
2. Expansion force
3. Force due to water pressure
Select the answer using the code given below:
Options
- A1 only
- B1 and 2 only
- C2 and 3 only
- D1, 2 and 3
Correct answer
D. 1, 2 and 3
Step-by-step solution
Mechanical weathering processes depend on applied forces which cause the physical breakdown of rocks without changing their chemical composition.
These applied forces include:
1. Gravitational forces such as overburden pressure, load, and shearing stress.
2. Expansion forces due to temperature changes, crystal growth, or animal activity.
3. Water pressures controlled by wetting and drying cycles.
Hence, all the given forces are applied forces in the mechanical weathering process.
Answer: 1, 2 and 3
These applied forces include:
1. Gravitational forces such as overburden pressure, load, and shearing stress.
2. Expansion forces due to temperature changes, crystal growth, or animal activity.
3. Water pressures controlled by wetting and drying cycles.
Hence, all the given forces are applied forces in the mechanical weathering process.
Answer: 1, 2 and 3