MCQ practice · SSC Physics Board questions · Chapter 3: Force
How many fundamental forces exist in nature?
Think it through first, then pick an option.
- a 2
- b 3
- c 4
- d 5
Answer and explanation
Correct answer: c 4
There are only four kinds of fundamental forces in nature.
Why the other options are wrong
- a 2: Not two; the book lists gravitational, electromagnetic, weak and strong nuclear forces, four in all.
- b 3: Counting the electromagnetic and weak forces as one law gives three kinds, but there are still four fundamental forces.
- d 5: Not five; every other force is one of those four.
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