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Doctors Medicines MCQs Q&A

  1. Every action has an equal and opposite reaction
  2. A body stays in rest or motion unless force is applied on it
  3. All objects of the universe possess gravity
  4. None of the above
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1 Answers

Option 3 : All objects of the universe possess gravity

CONCEPT:

  • Newton’s first law of motion: It is also called the law of inertia. Inertia is the ability of a body by virtue of which it opposes a change.
    • According to Newton’s first law of motion, an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force.
  • Newton’s second law of motion states that for a constant mass, force is equal to the product of mass and acceleration. Force is also equal to the change in momentum per change in time.
  • Newton’s Third Law: To every action, there is always an equal (in magnitude) and opposite (in direction) reaction.

EXPLANATION:

  • Option 1 explains third law of motion.
  • Option 2 is a part of first law of motion.
  • Option 3 says the gravitational effect which is not a law of motion. So option 3 is correct..
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