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FORCES and MACHINES - Questions

  1. What is a force?
  2. What are the main types of forces?  Give examples.
  3. What type of force is magnetism?
  4. What is the force of gravity? What does it depend on?
  5. How do mass and distance affect the force of gravity?
  6. Why do astronauts float in space?
  7. What is a machine?
  8. What is a simple machine?
  9. What is a complex machine?
  10. In what everyday machines can we find gears?
  11. What are the main types of simple machines?    
  12. How can we use a pulley?
  13. How can we use a ramp?
  14. How can we use a lever?
  15. How do we call the fixed point of a lever?
  16. Let’s see how much you know about your bicycle: What is the part that connects the crank to the back wheel? What do you use to change the direction of the front wheel? What is the special wheel with metal gears? What does a cable to control the brake pull?
  17. What is technology? What does it include?
  18. What is the most important invention in the history of transport?
  19. What type of engine have most aeroplanes got today?
  20. What did the steam engine give us?

Comentarios » Ir a formulario

Autor: Mario Piqueras Almendro

thank you Esty

Fecha: 04/06/2014 19:44.

Autor: Mario Piqueras

For writting the questions

Fecha: 04/06/2014 19:48.

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