Unit 7 Vocab Crossword

Edit Answers
12345678910111213141516171819
Across
  1. 2. An inclined plane
  2. 4. A simple machine that can be used to push objects apart
  3. 5. A spiral staircase is an example of a _____________.
  4. 7. This is a part of simple machines that helps pulleys change the direction of a force
  5. 10. A kind of simple machine that can be used to change the direction of the force. It uses rope and a wheel.
  6. 12. A term used to mean the force exerted on a surface
  7. 14. A device used to multiply forces or change the direction of forces
  8. 16. The type of energy in motion
  9. 18. The law of _____________ of energy states that energy cannot be created or destroyed.
  10. 19. The unit for both work and energy
Down
  1. 1. When a force acts upon an object to cause it to move a distance
  2. 3. The rate at which work is done
  3. 6. The ability to do work
  4. 8. A bar rested on a support that lifts or moves loads
  5. 9. The pivot point on a lever
  6. 10. The type of energy that is stored and ready to be used
  7. 11. The amount of useful ​output​ a process or machine can generate as a percentage of the ​input​ required to make it go.
  8. 13. The mechanical ______________ is used in assessing the performance of a machine.
  9. 15. The unit for power
  10. 17. Whenever work is done, energy changes. This is known as the work-energy _______.