The force which opposes one surface moving over another is
Moment
Pull
Push
Friction
In a body the whole mass is concentrated at point, is called
Fulcrum
Lever
Centre of gravity
Pressure depends on the
Density of the liquid
Mass of the liquid
Weight of the liquid
Position of the liquid ( vertical or horizondal )
The energy possessed by a body by virtue of its position is called
Kinetic energy
Potential energy
Chemical energy
Solar energy
A quantity which has both magnitude and direction is
Scalar quantity
Vector quantity
Fundamental quantity
Derived quantity
A mixture of methane and carbon dioxide with energy content is
Fossil fuel
Biogas
Natural gas
All the above
The energy which can not be replaced when once used up is
Renewable energy sources
Non- renewable energy sources
Wind energy
A device which can turn about a point is called
Beam
Load
Effort
The force acting on unit area is called
Work done
Pressure
Energy
At equilibrium, there is
Greater moment
Less moment
No net moment
Can not predict