Gravitation differences Flashcards
1
Q
Difference between G and g.
A
G
/ Its value is 6.673 x 10^-11 N m
s^2 Kg^-2
/ Its value is constant everywhere
/ Its unit is N m^2 Kg^-2
/ It is a scalar quantity
g
/ Its value is 9.8 m s^2
/ Its value varies at many places
/ its unit is s^2
/ It is a vector quantity
2
Q
Difference between mass and weight ?
A
Mass
/ The SI unit of Mass is Kilograms
/ Mass is constant everywhere
/ Mass can never be zero
/ It is a scalar quantity
Weight
/ The SI unit of Weight is Newtons
/ Weight is not constant
/ Weight can be zero
/ It is a vector quantity
2
Q
What is Mass ?
A
The total quantity of matter contained in an object is called mass.
