work and energy

what is force??

• push

• pull

• push and pull both

• none of these

what is energy ???

• capacity to do work

• push and pull

• all of these

• none of these

........ is the main source of light energy

• moon

• bulb

• sun

• venus

which one of the following is not a source of light energy??

• sun

• bulb

• diamond

• none of these

what is the most common form of energy ?

• heat energy

• light energy

• both of these

• none of these

what type of energy it is ?

• electrical energy

• sound energy

• solar energy

• none of these

what are the factors affecting the work?

• amount of force applied

• displacement of the object produced by the applied force

• both of these

• none of these