Question

Colin is helping the librarian return books to the shelves where they belong. He picks up books from the librarian’s desk, as shown in Figure A. He then carries them to the shelves, as shown in Figure B.


In which figure does Colin do work?
A. Figure A
B. Figure B
C. Both figures
D. Neither figure

Answer 1

figure b..............................

Answer 2

Answer:

The correct answer would be A.

Explanation:

In figure A. He is lifting the books which requires force and motion to both go up which makes him use energy as In figure be the motion of the books move with him but he still uses force to carry. So it would be A. I thought this would Be C. Both figures because he does work in both Figures but It's A. They should Have worded it a little bit better