A wheel with a rod attached to it is known as ______ arrangement.
Fixed pulley
Movable pulley
Wheel and axle
Hammer
___________ is the most readily available source of energy.
Heat
Hydropower
Wind
Solar
___________ energy is plentiful, renewable, widely distributed, clean and non-polluting.
Mechanical
Electrical
___________ is a vibration transmitted through a solid, liquid or gas.
Light
Sound
Electrical energy
_______ is produced when a force causes an object or a substance to vibrate.
Electricity
_________ means pushing or pulling an object.
Work
Force
Pulley
Lever
Choose the right answer _______ is the movement of electrical charges.
Heat energy
Sound energy
Light energy
Big screws are called
Screwjacks
Tongs
Scissors
The electrical charges moving through a wire is called
A stretched bow possesses mechanical energy due to its stretched position.