The S.I unit of weight is
kg
N
N/kg
N/m
The force with which all bodies are attracted towards the centre of earth is called
Repulsive force
Gravitational force
Attractive force
Vacuum force
What will be the weight of an object at the centre of the earth ?
Half
Zero
Doubles
No change
The acceleration due to gravity is zero at
The equator
The poles
The sea level
The centre of the earth
If the mass of a person is 60 kg, What about the force when he is on moon ?
178.5 N
71.5 N
96.56 N
97.2 N
Every object has a point where all its weight is considered to be concentrated, this point is called
Acceleration due to gravity
Midpoint
Centre of gravity
Every object in the universe attracts every other object with a force which is inversely proportional to
Square of the distance
Cube of the distance
Distance
Two times the distance
The fixed path in which the satellite moves round the planet is called
Circle
Orbit
Shell
radius