Question

Which statement supports Newton’s first law of motion?

Answer 1

Answer:  The statement that supports Newton's first law of motion is the one that says that planets can move at a varying speed due to forces exerted in space

Answer 2

Answer:

Newton's first law of motion is that an object at rest will stay at rest, unless acted upon by an external force.

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The "external force" can be anything, from a gust of wind, to a person moving the object. His first law also corresponds with the definition of inertia.

Hope this helps!