What causes flow in a hydraulic system?

Related questions

1. Where are hydraulics used?
2. What are hydraulic arms used for?
3. Is hydraulic jack oil the same as hydraulic oil?
4. What is hydraulic pilot pressure?
5. Where are hydraulics used in real life?
6. What would cause hydraulic pump cavitation?
7. What are hydraulic components?
8. Why do hydraulics overheat?
9. Why are hydraulics important?
10. What is the disadvantage of hydraulic bridge?

Tags

1. #pressure
2. #development
3. #forces
4. #resistance
5. #function
6. #action
7. #delivers
8. #mechanical
9. #fluid
10. #second
11. #movement
12. #necessary
13. #produces
14. #system
15. #generate
16. #which
17. #hydraulic
18. #outlet
19. #liquid