What is the relationship between the universal
gravitational constant (G) and the acceleration due to
gravity (g)?




Answers were Sorted based on User's Feedback



What is the relationship between the universal gravitational constant (G) and the acceleration due..

Answer / gagandeep garg

F = G x M x m/ r2
E = F x r = (G x M x m/ r2) x r
E = mgr = (G x M x m/ r2) x r
=> g = G x M/ r2

OR G = g{r2/M}

where,
F = Force of attraction between twoo bodies(N/m2)
E = energy in smaller body w.r.t the heaviour body(J)
M = mass of heaviour body/planet (kg or slug)
m = mass of smaller body(kg or slug)
g = acceleration due to gravity (m/s2 or ft/s2)
G = universal gravitational constant (m3/kg/s2 or
ft3/slug/s2)
r = distance between the centres of the two bodies(m or ft)
The value of G is known and has been estimated by
scientists as:
G = 6.673 x 10-11 m3/kg/s2 in the Metric system
G = 3.439 x 10-8 ft3/slug/s2 in the English system

Is This Answer Correct ?    69 Yes 39 No

What is the relationship between the universal gravitational constant (G) and the acceleration due..

Answer / niharika

we know that
F=GMm/r2
mg=GMm/r2 (F=mg)
g=GM/r2 (cancel'm')

Is This Answer Correct ?    45 Yes 17 No

What is the relationship between the universal gravitational constant (G) and the acceleration due..

Answer / guest

The value of G is a constant that should not change no
matter where one is in the universe. The value of g,
however, does vary for each planet, star, moon, or other
large body. These two gravitational parameters are related
by the equation:



where

g = acceleration due to gravity (m/s2 or ft/s2)
G = universal gravitational constant (m3/kg/s2 or
ft3/slug/s2)
M = mass of the body (kg or slug)
r = radius of the body (m or ft)
The value of G is known and has been estimated by
scientists as:
G = 6.673 x 10-11 m3/kg/s2 in the Metric system
G = 3.439 x 10-8 ft3/slug/s2 in the English system

Is This Answer Correct ?    44 Yes 35 No



Post New Answer



More Instrumentation Interview Questions

I have energy meter for educational project having 0.5s class but my friend need 0.2s class meter , which one is good for that purpose and what is the actual difference of that two classes , need very easy example also.??

0 Answers   BBS,


how to explain PID?

2 Answers   Jindal,


Explain Split Range Control In Control Valve Briefly.

5 Answers  


Which boiler is use in power plant

1 Answers   Jindal,


For a diafhram 1.5 d =kn(p-p0) D4 Where d in deflection in inch k=constant n=no of capdule (P-P0)=Applied pressure in psi D In active dia at capsule. -1.5 d=k to p d being constant -1.5

0 Answers   L&T, Shiv Tech Marine Control,






what is stability

2 Answers   IOCL,


How to calibrate an pressure gauge with yantrika test bench?

0 Answers  


what do we mean by hook up drawing. what r the information we get from it?

7 Answers   Reliance,


CAN WE CALIBRATE LEVEL TRANSMITTER USING HART COMMUNICATOR WHEN WATER LEVEL IS PRESENT IN THE BOILER SHELL?

4 Answers   Emerson, Chemin,


Tell about your IFFCO plant visit.

0 Answers   L&T,


what is the PID controller?

1 Answers  


define optical temperature detector

1 Answers  






Categories
  • Civil Engineering Interview Questions Civil Engineering (4642)
  • Mechanical Engineering Interview Questions Mechanical Engineering (3703)
  • Electrical Engineering Interview Questions Electrical Engineering (15783)
  • Electronics Communications Interview Questions Electronics Communications (2638)
  • Chemical Engineering Interview Questions Chemical Engineering (762)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (79)
  • Bio Engineering Interview Questions Bio Engineering (30)
  • Metallurgy Interview Questions Metallurgy (95)
  • Industrial Engineering Interview Questions Industrial Engineering (199)
  • Instrumentation Interview Questions Instrumentation (2883)
  • Automobile Engineering Interview Questions Automobile Engineering (171)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (41)
  • Marine Engineering Interview Questions Marine Engineering (62)
  • Power Plant Engineering Interview Questions Power Plant Engineering (170)
  • Engineering AllOther Interview Questions Engineering AllOther (1335)