Work and power study
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is a Wave? | Water waves are just one of many kinds of waves.
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| What is a Medium? | Is the material-solid, liquid, gas-trough which can travel.
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| What is a Transverse wave? | The spring coils move up and down as the wave passes.
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| What is Crest in a wave? | The points where the wave is highest.
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| What is Though in a wave? | The points where the wave is lowest.
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| What is a Longitudinal wave? | Particals move back and forth in the same direction that the waves travel.
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| What is Compression in spring coils? | The coils being together.
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| What is Rarefaction in spring coils? | The spread of the coils appart.
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| What is a Mechanical wave? | Waves that require a medium.
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| What is a Electromagnetic wave? | A wave with no medium.
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| What is Amplitude? | Is a measure of how far partials in the medium move from their rest position.
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| What is Wavelength? | Defined as the distance from any point on a wave to the next identical point on the same wave.
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| What is Frequency? | Is the number of waves that pass a point in a given amount of time.
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| What is Hertz (Hz)? | Is frequency measured.
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| What is Wave speed? | Depends on properties of the medium.
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| What is Force? | A push or a pull exerted on an object to change the motion of the object.
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| What is Work? | The use of the force to move an object sum distance.
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| What is Power? | The Ability to do something or act in a particular way, especially as a faculty or quality.
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| A book weighing 1.0 newton is lifted 2 meters. How much work was done? | 2 Joules.
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| How much power is used if a force of 35 newtons is used to push a box a distance of 10 meters in 5 seconds? | 17.5 watts.
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| what dose wave look like that gives a loud high pitched sound? | Compression.
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| What dose a wave look like that gives a soft, low pitched sound? | Low frequency.
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| What is the power of a kitchen blender if it can perform 30,000 joules of work in 15 seconds? | 2000 watts.
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| How much power is used in a 500-watt microwave oven cooks for 5 minutes? | 100 joules.
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| It took 500 newtons of force to push a car 4 meters. How much work was done? | 2000 joules.
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| How much power is used in a 60-watt light bulb for 1 hour? | 60 watts.
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| If there is a box 3 newtons and pushed it 100 meters. How much work did you use. | 300 joules.
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| How would you represent compression and rarefaction? | ;;;;;;; ; ; ; ; ;;;;;; ; ; ; ; ;;;;;;.
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| If you use the force of 100 newtons and have to move it 10 meters. With a power of 250. How much time did it take? | 4 minutes.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
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