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| ____________________is the ability of a person or an object to do work or to cause a change. |
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| When you multiply a force in newtons and a distance in meters you get the unit of measurement called the ____________________. |
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| The higher you hold a ball in the air, the more ____________________ energy it has. |
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| ____________________ is the energy possessed by an object due to its motion or position. |
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| ____________________ is the acceleration due to the Earth’s gravity and is equal to 9.8 m/s2. |
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| The power of the light bulbs in your home is represented by the unit called the ____________________. |
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| The use of force to move an object some distance is called ____________________. |
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| ____________________ was determined by observations in which an average horse moved 150 pounds a distance of 220 feet in 1 minute. |
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| ____________________ is the energy of motion. |
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| Windmills do work by using the force exerted by this... |
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You can think of work as the
A. reading of a page.
B. transfer of energy.
C. reaction force to gravity.
D. rate that objects roll. |
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| ____________________ was the Scottish engineer that improved the power of the steam engine and developed a unit of measurement called horsepower. |
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| No matter how energy is transferred or transformed, all of the energy is still present somewhere in one form or another. This is known as the... |
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T or F
A softball pitcher could increase the kinetic energy of the ball by throwing it harder. |
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T or F
Reading a page is work. Turning the page is not. |
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T or F
Gravitational potential energy is what causes a leaf to flow over a waterfall. |
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T or F
If you mow lawns for 6 hours a day, you can make more money by increasing your work. |
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T or F
Energy is transferred when a force moves an object. |
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T or F
Holding a book takes more work than lifting a book because it hurts. |
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| A boulder has a potential energy of 300 J due to its position at the top of a hill and a kinetic energy of 200 J due to its motion. What is its mechanical energy? *REMEMBER:ME=PE+KE |
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