Newton's 1st law of motion states that a moving object will go in a straight line unless an outside force changes this motion. What outside force prevents the planets from moving in a straight line into space?

A. Gravity
B. Supernovas
C. Nuclear fusion
D. Meteorite impacts



Answer :

Final answer:

Newton's first law of motion explains how objects stay at rest or in motion in a straight line unless acted upon by an outside force, with gravity being the force that prevents planets from moving straight into space.


Explanation:

Newton's first law of motion, also known as the law of inertia, states that objects either stay at rest or continue in motion in a straight line at a constant speed unless acted upon by an external force. In the case of planets, the force bending their paths and preventing them from moving in a straight line into space is gravity.


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