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S.No 
Derived Physical 
Quantity Formula 
Dimensional 
Formula 
S.I Unit of 
physical 
quantity 
4. Specific Gravity 
[ ] No units 
7. Velocity 
m/sec 
8. Speed 
m/sec 
9. Areal velocity 
10. Acceleration 
11. Linear momentum 
kg m/sec 
12. Force 
kg-m/ or 
Newton 
13. Weight w=mg 
kg-m/ or 
Newton 
14. 
Moment of 
force/Torque/Couple 
kg 
15. Impulse 
kg m/sec or Ns 
16. Pressure 
N/ or Pa 
17. Work 
Nm or Joule 
18. Kinetic Energy 
joule 
19. Potential Energy mgh 
joule 
20. 
Gravitational 
constant 
21. 
Gravitational field 
strength 
22. 
Gravitational 
Potential 
23. Force constant (k) 
24. Power 
W or J/sec
25. 
Moment of Inertia ( 
I ) 
kg 
26. Stress 
N/ or Pa 
27. Strain 
No units 
28. 
Modulus of 
Elasticity 
N/ or Pa 
29. Poission’s Ratio σ = -1 
No units 
30. Velocity gradient 
31. 
Coefficient of dynamic 
viscosity 
kg (or) N-sec/$ 
latex m^2$ 
(or)pascal-sec 
(or)poiseuille 
32. Surface Tension ,N/m 
33. Angular displacement ( ) no Units 
34. Angular velocity(ω) rad/sec 
35. Angular acceleration(α) rad/ 
36. Angular momentum Iω 
37. Angular Impulse Iω 
38. Temperature 
or K 
kelvin or degree 
Celsius

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Dimension analysis

  • 1. S.No Derived Physical Quantity Formula Dimensional Formula S.I Unit of physical quantity 4. Specific Gravity [ ] No units 7. Velocity m/sec 8. Speed m/sec 9. Areal velocity 10. Acceleration 11. Linear momentum kg m/sec 12. Force kg-m/ or Newton 13. Weight w=mg kg-m/ or Newton 14. Moment of force/Torque/Couple kg 15. Impulse kg m/sec or Ns 16. Pressure N/ or Pa 17. Work Nm or Joule 18. Kinetic Energy joule 19. Potential Energy mgh joule 20. Gravitational constant 21. Gravitational field strength 22. Gravitational Potential 23. Force constant (k) 24. Power W or J/sec
  • 2. 25. Moment of Inertia ( I ) kg 26. Stress N/ or Pa 27. Strain No units 28. Modulus of Elasticity N/ or Pa 29. Poission’s Ratio σ = -1 No units 30. Velocity gradient 31. Coefficient of dynamic viscosity kg (or) N-sec/$ latex m^2$ (or)pascal-sec (or)poiseuille 32. Surface Tension ,N/m 33. Angular displacement ( ) no Units 34. Angular velocity(ω) rad/sec 35. Angular acceleration(α) rad/ 36. Angular momentum Iω 37. Angular Impulse Iω 38. Temperature or K kelvin or degree Celsius