The unit of moment of force is
N
N m
N m-1
N m²
The energy possessed by a body by virtue of its motion is called
Potential energy
Kinetic energy
Solar energy
Chemical energy
The force which opposes one surface moving over another is
Moment
Pull
Push
Friction
The percentage of the energy supplied to a device is called
Power
Work done
Fuels
Efficiency
The force acting on unit area is called
Pressure
Energy
Food and fuels like oil, gas, coal etc are concentrated stores of
Electrical energy
At equilibrium, there is
Greater moment
Less moment
No net moment
Can not predict
The unit of pressure is
Newton
Joule
Pascal
Hertz
A quantity which has both magnitude and direction is
Scalar quantity
Vector quantity
Fundamental quantity
Derived quantity
In solar energy, which device is used to transfer energy ?
Solar furnace
Solar panels
Solar cells
Solar power
