Work & Power – Notes


 
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Work, Energy & Power – Notes & Focus Questions

Directions: Using the Physical Science Textbook pages 69 – 89, answer the following focus questions.

 

  1. Work has many meanings in English but a specific meaning in science. Define the word work scientifically.
     
  2. What equation is used to calculate work?
     
  3. What is the S.I. unit for work?
     
  4. Problem: If a woman pushes a box 9 meters along the floor with a 10N force. What is the work she has done?
     
  5. Define the word energy?
     
  6. What is the S.I. unit for energy?
     
  7. List at least 7 types of energy.
1.
2.
3.
4.
5.
6.
7.
  1. Compare and contrast potential energy to kinetic energy.
     
  2. If a ball is dropped from a tall building explain where the maximum and minimum kinetic and potential energy are found as the ball drops.
     
  3. Power has many definitions in English but a specific meaning in science. Define the word power scientifically.
     
  4. What is the equation for power?
     
  5. What is the S.I. unit for power?
     
  6. Problem: If a motorcycle does 150N of work in 20 seconds, how much power does the bike have?
 
 

 
 
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