Newtons Laws of Motion

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What are Newton's Three Laws of Motion?

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1. First Law: An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external 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 (F=ma). 3. Third Law: For every action, there is an equal and opposite reaction.

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What does the term 'Force' mean in physics?

Back

A push or pull on an object resulting from the object's interaction with another object.

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What is 'Mass' in the context of Newton's Laws?

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The amount of matter in an object, which is a measure of its inertia.

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Define 'Acceleration'.

Back

The rate of change of velocity of an object with respect to time.

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What is an example of Newton's First Law of Motion?

Back

A book resting on a table will remain at rest until someone pushes it.

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What is an example of Newton's Second Law of Motion?

Back

If you push a shopping cart, it accelerates more if it is empty than if it is full.

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What is an example of Newton's Third Law of Motion?

Back

When you jump off a small boat, the boat moves backward as you move forward.

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What is 'Friction'?

Back

A contact force that opposes the motion of an object.

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What is 'Potential Energy'?

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The energy stored in an object due to its position or configuration.

Front

At which point is potential energy greatest in a roller coaster?

Back

At the highest point of the track.