By what signs do we judge that a force has acted on the body?
| December 29, 2020 | education
If some body with mass m was at rest, or moved uniformly and rectilinearly, and then began to move with some acceleration a, this means that a certain force F acted on the body. This is due to Newton’s second law:
a = F / m.
Therefore, the correct answer is: we judge by the presence of acceleration in the body.
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