topic 1 Flashcards
1
Q
FORMULA FOR MAGNITUDE OF GRAV FORCE?
A
FG=G M1M2/R2
2
Q
G constant henry cavendish
A
6.67×10^-11 Nm2/kg2
3
Q
FORMULA FOR GRAVITATIONAL FIELD
A
g=GM/R2
4
Q
if OBJECT WITH MASS M IS PLACED AWAY FROM R THE OBJECT WITH MASS THE GRAV FORCE IS?
A
Fg=mg
5
Q
formula for magnitude with only one mass
A
g=GM/R2
6
Q
unit of g?
unit of fg?
A
m/s2
N
7
Q
formula FOR ECCENTRICITY
A
e=c/a
8
Q
FORMULA FOR DISTANCE BETWEEN FOCI
A
c2=a2-b2
9
Q
Formula for HARMONIC LAW
A
p2 planet/a3 planet =p2 earth/a3 eartj
10
Q
formula for semi major axis
A
A=3√Gmst2/4π2
11
Q
Stress?
A
force/Area
f/a
12
Q
strain?
A
∆dimension/original dimension
13
Q
MODULUS OF ELASTICITY
A
stress/strain
14
Q
TENSILE STRESS
A
f/a
15
Q
TENSILE STRAIN?
A
∆L/Lo