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Q: After a shell explodes, many pieces fly off in different directions. What is conserved in this situation?
  • A. potential energy
  • B. force
  • C. work
  • D. momentum
Correct Answer: Option D - After the explosion of a single shell many pieces fly away in different directions, then at this position the value of the resultant force is zero then momentum is conserved in it.
D. After the explosion of a single shell many pieces fly away in different directions, then at this position the value of the resultant force is zero then momentum is conserved in it.

Explanations:

After the explosion of a single shell many pieces fly away in different directions, then at this position the value of the resultant force is zero then momentum is conserved in it.