Energy and Work
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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| When does work occur? | when a force causes an object to move in the direction of the force
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| What formula is used to calculate work? | W = F(D)
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| What is joule? | the metric unit used to express work and energy
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| What are the 3 criteria for work? | 1)force 2)motion of object 3)
motion is in direction of the force
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| What is the English unit for work? | ft-lb foot-pound
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| What is work? | energy transferred through both force and motion
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| The ability to do work is called? | energy
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| What law states that energy can not be created or destroyed. | law of conservation energy
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| What are the 2 major forms of energy? | potential and kinetic
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| Stored energy that has the potential to do work is called? | potential energy
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| What is kinetic energy? | energy of motion
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| What is the formula to find potential energy? | Ep = wt x h
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| What is the formula for kinetic energy? | Ek = 1/2mv²
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| When one object does work on another object, work is ___________________. | transferred
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| All energy involves either ______________ or ________________. | motion, position
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| A change from one form of energy to another is called? | energy conversion
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| What energy conversions occur when using a curling iron? | electrical to thermal
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| A swinging pendulum has energy conversion between _________________ and __________________. | kinetic and potential energy
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| What opposing force causes kinetic energy to transfer into thermal energy? | friction
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| When most of the potential is converted to kinetic energy, where does the rest of the energy go? | thermal and sound
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Created by:
lcollette
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