The friction force depends on the surface the block is sliding (slippery or rough) and the normal force on the block which is the force of gravity. The image above shows a block pulled across a table. The spring scale which measures in Newtons reads the force resisting the motion known as friction force. In the image above, what would be a reasonable measurement of normal force if friction force measured 80 Newtons?

A) 40 Newtons
B) 60 Newtons
C) 70 Newtons
D) 140 Newtons

A

Explanation:

the cellphone, they would then know if the killer would have contacted them or always hated them. or if it was a breakup. but if that is not the case, then it would be the clothing. to put in a bullet, it would have to be put in by hands. hands have finger prints which, would have giving you the answer of who done it.

explanation:

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.