Which action is work?
A.
Lifting a pencil.
B.
Reading a school book.
C.
Pushing a wheelbarrow.
D.
Carrying an armload of firewood.
1 answer
A. Lifting a pencil.
A.
Lifting a pencil.
B.
Reading a school book.
C.
Pushing a wheelbarrow.
D.
Carrying an armload of firewood.
1 answer