### Home > PC3 > Chapter 8 > Lesson 8.3.3 > Problem 8-121

8-121.

Two forces are being used to lift a 100 pound box as shown in the diagram below. Can they lift the box? Use vector operations to justify your answer. Homework Help ✎

There are two forces pulling up on the box, but there is also the force of the box pulling straight down.

Compute the resultant force. Is it in a positive or negative vertical direction?