The gravitational potential Energy of a body depends on
Volume
Speed
Size
Mass
Electricity generated by using heat released by burning fuels is called _____________
Tidal Power
Thermal Power
Nuclear Power
Hydroelectric Power
_____________is produced by vibrating bodies.
Sound
Vision
Smell
Light
____________energy of moving air makes clothes and leaves flutter.
Potential Energy
Kinetic Energy
Gravitational Energy
Solar Energy
Explosives store ___________________energy .
Kinetic
Solar
Chemical
Magnetic
Sound is produced when something ____________
Vibrates
Sweeps
Breaks
None of these
Food has __________energy stored in it.
Heat Energy
Electrical Energy
Chemical Energy
The energy we use to manual or physical work is ___________.
Magnetic Energy
Physical energy
Muscular Energy
A man pushes a cart with horizontal force of 20N.How much work does he do in moving the cart through a distance of 50m?
1000J
500J
100J
1500J
In which of the following does the evaporation of water play an important role?
Wind power
Thermal power
Hydroelectric power
Solar power