What is aforce of a body if it moves in uniform velocity?

Question

f=ma so its accelaration is 0 because its velocity is constant so the force if it hits a person is 0

Answer

If the acceleration is zero, that means it never hit anything. If it hits something then you have a negative acceleration for some time as things mash, bend, or break. Then you can calculate a force from the change of speed and the time.

What is aforce of a body if it moves in uniform velocity?

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