N balls each of mass m, impinge elastically every second on a floor with velocity v …
Physics · NEET · NTA Exams — Laws of Motion
N balls each of mass m, impinge elastically every second on a floor with velocity \(\vec{\vee} \vec{v}\). Then, the floor will experience a force of
- 4mN\(\vec{\vee} \vec{v}\)
- mN\(\vec{\vee} \vec{v}\)
- 2mN\(\vec{\vee} \vec{v}\)
- 3mN\(\vec{\vee} \vec{v}\)
Answer
(C) 2mN v
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