Electrostatic / Gravitational Fields of Force 4.2

Question 1

equation of columns law?

Answer 1

Force = 1/4 pi epsilon X Q1Q2/R^2

q =charge
R = radius

Question 2

epsilon constant?

Answer 2

8.85 x 10^-12

Question 3

Define Potential?

Answer 3

is the work done by the field

Question 4

Define potential equation

Answer 4

V = Q/4 pi epsilon radius

Question 5

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Answer 5

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Question 6

define equipotential surface.

Answer 6

in a electric field a imaginary surface which all point are at the same potential.

Question 7

Define newtons laws of gravitation

Answer 7

every body with mass attracts every other body with mass

Question 8

Newtons laws of gravitation equation?

Answer 8

F = Gm1m2/r^2

G = constant
m = mass
r = radius

Question 9

G constant?

Answer 9

6.67X10^-11

Question 10

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Answer 10

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Question 11

define electric field strength?

Answer 11

force per unit charge on a small positive test charge placed at that point.