Newton's First Law: The Law of Inertia

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What is another name for Newton's First Law of Motion?
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The Law of Inertia.
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What does Newton's First Law of Motion state?
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An object will remain at rest or in uniform motion in a straight line unless acted upon by an external force.
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How does Newton's First Law relate to the concept of inertia?
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Inertia is the tendency of an object to resist changes in its state of motion, which is described by Newton's First Law.
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What happens to a moving object if no external force acts on it, according to Newton's First Law?
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It will continue to move in a straight line at a constant speed.
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What is meant by 'uniform motion' as described in Newton's First Law?
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Motion at a constant speed in a straight line.
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Give an everyday example of Newton's First Law of Motion.
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A book resting on a table will stay at rest unless someone moves it.
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Why do passengers tend to jolt forward when a car stops suddenly?
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Due to inertia, their bodies resist the change in motion and continue moving forward.
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How can you stop an object in motion according to Newton’s First Law?
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By applying an external force, like friction or a physical push.
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How does friction relate to Newton's First Law?
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Friction is the external force that can stop or slow down an object, counteracting inertia.
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What role does mass play in inertia?
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Greater mass means greater inertia, making it harder to change the object's motion.
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What would happen if there were no external forces acting on a moving object?
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The object would continue moving at the same speed in the same direction indefinitely.
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What kind of force is necessary to change the state of motion of an object at rest?
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An unbalanced force.
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Is Newton's First Law applicable in space? Why or why not?
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Yes, because there are minimal external forces like air resistance and gravity to affect motion.
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Why does a rolling ball eventually stop, contradicting Newton's First Law?
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It stops because friction acts as an external force, opposing its motion.
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What does Newton's First Law imply about the motion of celestial bodies?
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Without significant external forces, celestial bodies continue in their motion through space.
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