Types of Mechanical Energy Review

In a roller coaster ride, the cart is initially hauled to the top of a hill, at which point it has a maximum amount of (a)   energy due to its height. As it descends the hill, this energy is converted into (b)   energy, making the cart speed up. At the bottom of the hill, the cart's energy is primarily (c)   .

• potential

• kinetic

• kinetic and potential

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An electric motor pulls a roller coaster car up the first hill by a chain. The roller coaster car gains speed as it falls down to the bottom of the hill because it converts ​ (a)   energy into ​ (b)   energy.

• potential
• kinetic
• both PE and KE

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NGSS.MS-PS3-5

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The ​ (a)   energy in the wires are transformed into mechanical energy by the motor.

• hydro
• wind
• electrical

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As the roller coaster falls, its ________ energy is transformed into mostly ________ energy at the bottom of the hill.

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The ________ energy in food that she had eaten is transformed into ________ energy of her moving body.

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Describe the energy transformation from A. to B.

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If not pushed, why does the pendulum not go as high when it swings back? Where does lost potential energy go?

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Which position on this Roller Coaster would have the MOST Kinetic Energy?

• 1

• 2

• 3

• 4

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Which is an example of potential energy?

• a roller coaster speeding down a hill
• the pulled back string on an archers's bow
• releasing the strings on a guitar
• an electric current lighting a light bulb

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Which example best represents potential energy 

• Fire
• ice cream
• bouncing ball 
• ocean waves 

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NGSS.MS-PS3-2