Which Unit Is Not a Basic Quantity in Mechanics?

[Tiven white]

Homework Statement

All the following are units of basic quantities except ______.
Select one:
a. second
b. slug
c. kilogram
d. meter
e. pound

Homework Equations

The Attempt at a Solution

i have eliminated the answers a, c,d i now the answer is between pound and a slug on wiki i see both being a measurement of mass so am not sure between the two though i think the slug is the answer

 

[Chestermiller]

Homework Statement

All the following are units of basic quantities except ______.
Select one:
a. second
b. slug
c. kilogram
d. meter
e. pound

Homework Equations

The Attempt at a Solution

i have eliminated the answers a, c,d i now the answer is between pound and a slug on wiki i see both being a measurement of mass so am not sure between the two though i think the slug is the answer

Pound is a unit of force (except in the english system were it is sometimes a unit of force and sometimes a unit of mass). Slug is a unit of mass.

 

[Tiven white]

So what would u say is the answer

 

[Chestermiller]

So what would u say is the answer

pounds.