Question

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Answer 1

Answer:

Protons have positive charge

Elecrrosn have negative charge

Neutrons have no charge.

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What you want to ask

Answer 2

Answer:

Newton's first law states that, if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force. This postulate is known as the law of inertia.