Newton's Laws - CBN (Remediation)

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What is Newton's 1st Law of Motion?

Back

An object at rest will stay at rest, and an object in motion will stay in motion unless acted upon by an unbalanced force.

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What is Newton's 2nd Law of Motion?

Back

The acceleration of an object depends on the mass of the object and the amount of force applied. It can be expressed as F=ma (Force = mass x acceleration).

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What is Newton's 3rd Law of Motion?

Back

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

Front

Example of Newton's 1st Law: Why do planets orbit the sun?

Back

Planets resist changes in their motion due to inertia, which is why they continue to orbit the sun.

Front

Example of Newton's 3rd Law: What happens when a cannon fires a cannonball?

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The cannon moves backward as the cannonball shoots out, demonstrating action and reaction.

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What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.

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How does mass affect inertia?

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The greater the mass of an object, the greater its inertia, making it harder to change its motion.

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What is an unbalanced force?

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An unbalanced force is a force that causes an object to change its state of motion.

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Example of Newton's 2nd Law: Why is it easier to push an empty shopping cart?

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An empty shopping cart has less mass, requiring less force to accelerate compared to a full cart.

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

Back

According to Newton's 2nd Law, force equals mass times acceleration (F=ma).