Which of the following is not a basic or fundamental force in Nature?

Question

Which of the following is not a basic or fundamental force in Nature?

Gravitational force.

Frictional force.

Strong nuclear force.

lowing is not a basic or fundamental force in Nature

Answer 1

I think lowing is not a fundamentally natural force,although frictional force only applies when two bodies are moving relative to each other.

Answer 2

Have you actually attempted to study these questions at all, or were you just hoping that someone else would be nice enough to do your entire homework set for you?

Answer 3

Frictional force.

Answer 4

Isn't nuclear a human made device, not natural?