Which is the natural force that move objects?
Light
Heat
Wind
Sound
When we burn lights in our house:
Electrical energy is converted into light energy
Electrical energy is converted into sound energy
Electrical energy is converted into heat energy
Electrical energy is converted into mechanical energy
Which is done when an object moves?
Work
Force
Vibration
Matter
In which of the following is force applied to overcome resistance?
Inclined plane
Lever
Wheel and axle
Pulley
Which is the man made thing used to move things?
Water
Air
Crane
Which statement is true?
There are many types of forces.
There are only one type of force.
There are only two types of force.
There are only three types of force.
Which make our work easier and faster?
Simple machines
Generators
Cars
Inverter
What is solar energy?
Energy we get from earth
Energy we get from water
Energy we get from wind
Energy we get from sun
The source of energy stored inside the earth is called:
Geothermal energy
Solar energy
Wind energy
Water energy
Levers are classified in to:
Four
Five
Two
Three