Energy can neither be created nor destroyed. Energy just changes from one form to another.This is
Law of constant composition
Law of conservation of energy
Law of equipartition
Le shatleir principle
A moving car possess____________ energy.
Potential
Light
Kinetic
Electrical
_________ means pushing or pulling an object.
Work
Force
Pulley
Lever
A stretched bow possesses mechanical energy due to its stretched position.
Mechanical
Heat
Hydropower
______________ energy is a renewable energy source.
Nuclear
Geothermal
__________ is one of the oldest sources of energy.
Electrical energy
Wind energy
Heat energy
A wheel with a rod attached to it is known as ______ arrangement.
Fixed pulley
Movable pulley
Wheel and axle
Hammer
___________ energy is plentiful, renewable, widely distributed, clean and non-polluting.
Wind
_______ is produced when a force causes an object or a substance to vibrate.
Sound
Electricity
_____________ is a simple machine used to hold things tightly together.
Scissors
Screw
