Kinetic and Potential Energy

Front

What is Kinetic Energy?

Back

Kinetic Energy is the energy that an object possesses due to its motion. It is calculated using the formula KE = 1/2 mv², where m is the mass of the object and v is its velocity.

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NGSS.MS-PS3-1

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Front

What is Potential Energy?

Back

Potential Energy is the energy stored in an object due to its position or configuration. It is often associated with gravitational potential energy, which can be calculated using the formula PE = mgh, where m is mass, g is the acceleration due to gravity, and h is height.

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NGSS.MS-PS3-2

Front

How does the energy of a frog jumping into a puddle illustrate Kinetic Energy?

Back

The frog's movement as it jumps involves motion, which means it possesses Kinetic Energy. The faster the frog jumps, the more Kinetic Energy it has.

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NGSS.MS-PS3-1

Front

What role does Kinetic Energy play in a roller coaster gliding down the tracks?

Back

As the roller coaster descends, its Potential Energy is converted into Kinetic Energy, causing it to speed up as it moves down the track.

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Front

Explain how a ball rolling down a hill demonstrates Kinetic Energy.

Back

As the ball rolls down the hill, it accelerates due to gravity, converting its Potential Energy (at the top of the hill) into Kinetic Energy (as it moves down).

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

Front

What is the relationship between Kinetic Energy and speed?

Back

Kinetic Energy is directly proportional to the square of the speed of an object. This means that if the speed of an object doubles, its Kinetic Energy increases by a factor of four.

Tags

NGSS.MS-PS3-1

Front

Why does a car stopped at a traffic light have Potential Energy?

Back

The car has Potential Energy because it is at rest and has the potential to move. Its energy is stored due to its position, especially if it is on an incline.

Tags

NGSS.MS-PS3-2

Front

How does pulling a wagon down the street illustrate Kinetic Energy?

Back

When a girl pulls a wagon, she applies a force that causes the wagon to move, giving it Kinetic Energy as it travels down the street.

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Front

What factors affect the amount of Kinetic Energy an object has?

Back

The amount of Kinetic Energy an object has depends on its mass and its velocity. More mass or higher velocity results in greater Kinetic Energy.

Tags

NGSS.MS-PS3-1

Front

What is the formula for calculating Potential Energy?

Back

The formula for calculating Potential Energy is PE = mgh, where m is mass, g is the acceleration due to gravity, and h is height.

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