Question

multiple choice question
a cartoon character in outer space can move around by waving its arms. what does newtons 3rd law have to say about this.
a real person would remain motionless.
a real person would move in the opposite direction he wanted to.
a real person would start to move.

Explanation:

Newton's 3rd law states that for every action, there is an equal and opposite reaction. When a person waves their arms in outer space, the force exerted by the body to move the arms forward (action) creates an equal backward force on the body, and when the arms are pulled back, the reverse happens. These internal forces cancel each other out, so the center of mass of the person remains stationary, meaning the person as a whole stays motionless.

Answer:

A. A real person would remain motionless.