Question:
A shell travelling along a parabolic path in the gravitational field of the earth undergoes explosion in mid air. The centre of mass of the fragments will move
A shell travelling along a parabolic path in the gravitational field of the earth undergoes explosion in mid air. The centre of mass of the fragments will move
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Internal forces do not affect motion of centre of mass.
Updated On: Apr 24, 2026
- horizontally and then vertically down
- along the original parabolic path
- vertically down
- vertically up and then vertically down
- horizontally and then in the parabolic path
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The Correct Option is B
Solution and Explanation
Concept:
Motion of centre of mass depends only on external forces.
Step 1: During explosion.
Explosion is internal force.
Step 2: External force.
Only gravity acts externally.
Step 3: Conclusion.
Centre of mass continues original parabolic path.
Step 1: During explosion.
Explosion is internal force.
Step 2: External force.
Only gravity acts externally.
Step 3: Conclusion.
Centre of mass continues original parabolic path.
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