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If an astronaut pushes on a box in space, how many forces are involved in this interaction?

A. One
B. Two
C. Three
D. Four


Sagot :

Answer: B. two

Explanation:

There are two forces resulting from this interaction - a force on the chair and a force on your body. These two forces are called action and reaction forces and are the subject of Newton's third law of motion. Formally stated, Newton's third law is: For every action, there is an equal and opposite reaction.

However, In the absence of any forces, no force is required to keep an object moving.

This seems like a simple question, but if you wanted to get technical it would in fact be two forces. As there is still a miniscule amount of gravity.