Which notations are commonly used on force diagrams to show forces acting on an object? check all that apply.
fp
fz
fn
ff
fd
fg

Answer : The forces used in force diagrams are , and .

Explanation :

The push or the pull applied on an object is called force. It is denoted by F. There are some notation for the different types of forces.

is the force acting in z- direction.

is the frictional forces. It is the opposing force. It opposes the motion of an object.

is the gravitational force.

So, the correct options are , and

a coal burning power plant

there is no correct list among the choices you've provided.

the list might look something like this:

-- baby human

-- piccolo

-- flute

-- soprano singer

-- trumpet

-- tenor singer

-- trombone

-- baritone singer

-- baritone horn

-- bass singer

-- tuba

since i had to make up the list myself, i made it easy on myself, and i didn't try to shuffle the string instruments and woodwinds into it too.