What time was the force F = 20N acting on the body if the momentum of the body changed by 120 kg * m / s?
| March 25, 2021 | education
Task data: F (value of the acting force) = 20 N; ΔР (change in momentum of the body under consideration) = 120 kg * m / s.
We express the duration of the action of the force on the body under consideration from the formula: ΔР = F * t, whence t = ΔР / F.
Let’s perform the calculation: t = 120/20 = 6 s.
Answer: A force of 20 N acted on the body in question for 6 seconds.
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