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Questions and Answers
What is the concept described by Newton’s First Law of Motion?
What is the concept described by Newton’s First Law of Motion?
- Acceleration
- Velocity
- Inertia (correct)
- Momentum
What does Newton’s First Law state about the motion of an object?
What does Newton’s First Law state about the motion of an object?
- An object at rest remains at rest, and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force (correct)
- An object at rest will always stay at rest
- An object in motion will eventually come to a stop
- An object in motion will continue to accelerate
What did Sir Isaac Newton develop in 1666 at the age of 23?
What did Sir Isaac Newton develop in 1666 at the age of 23?
- Theories of gravitation (correct)
- Kepler's Laws
- The Principia Mathematica Philosophiae Naturalis
- The three laws of motion
What did Newton’s laws, together with Kepler’s Laws, explain about planetary motion?
What did Newton’s laws, together with Kepler’s Laws, explain about planetary motion?
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What is the tendency of an object to resist changes in its state of motion called?
What is the tendency of an object to resist changes in its state of motion called?
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Study Notes
Newton's First Law of Motion
- Describes the concept of inertia, which is the tendency of an object to resist changes in its state of motion
- States that an object at rest will remain at rest, and an object in motion will continue to move with a constant velocity, unless acted upon by an external force
- Introduced by Sir Isaac Newton in 1666 at the age of 23
Kepler's Laws and Planetary Motion
- Newton's laws, together with Kepler's Laws, explain that planets move in elliptical orbits around the Sun
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