Sir Isaac Newton and his Three Laws of Motion

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What is Newton's First Law of Motion?

Back

An object at rest tends to stay at rest unless acted upon by an unbalanced force. An object in motion tends to stay in motion unless acted upon by an unbalanced force.

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What is the definition of mass?

Back

The measure of the amount of matter in an object.

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What is inertia?

Back

The tendency of an object to resist a change in its motion.

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What are the three laws of motion proposed by Sir Isaac Newton?

Back

1. First Law: An object at rest stays at rest, and an object in motion stays in motion unless acted upon by an unbalanced force. 2. Second Law: The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. 3. Third Law: For every action, there is an equal and opposite reaction.

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Front

What is the definition of velocity?

Back

The speed of an object in a particular direction.

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What is Newton's Second Law of Motion?

Back

The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.

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Front

What is Newton's Third Law of Motion?

Back

For every action, there is an equal and opposite reaction.

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Front

How does mass affect inertia?

Back

The greater the mass of an object, the greater its inertia, meaning it will resist changes in its motion more than an object with less mass.

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What is the relationship between force, mass, and acceleration?

Back

According to Newton's Second Law, force equals mass times acceleration (F = ma).

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Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.