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

Answer / niharika

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

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

Specify eight technical requirements that you would consider important, when deciding upon a particular control valve?

0 Answers  

---

What does it mean 3/2 sov

5 Answers  

---

what does it mean an active front end in vfd plz explain it briefly

0 Answers  

---

For an Instrumentation Engineer, is there any effect on Instruments of safety zones like zone0, zone1, zone2. As an instrumentation Engineer, what we have to consider or remember while working in these areas.( zones 0,1,2).

1 Answers  

---

How to work & calculated output of the Derivative action in pid controller (Explain Derivative controller)

0 Answers  

---

how to connect transmitter measuring sulfur process? 1-by using long impulse line or 2- by using coated short impulse line

0 Answers  

---

If any control valve create hunting problem, what is the possible reason and solution?

6 Answers  

---

in a power plant main steam flow is volumetric or mass flow? is it required compensation?

1 Answers   Wartsila,

---

what does mean by analog output trim and where this one used for?

1 Answers  

---

How Honeywell FSC is functioning and what is its purpose? Can we bypasa it and only use DCS instead of that.

3 Answers  

---

What is the difference between ROM & RAM .

1 Answers   Sabic, SPIC,

---

how to calculate range of level transmitter?

0 Answers   TCE,

---