Question

You are moving your 100 kg sofa in the back of a pick up truck, but the sofa is too long. The back of the truck won’t close. You’ve taken the feet off the sofa, and the coefficient of static friction between the sofa and the bed of the truck is 0.2. With what acceleration can you pull out horizontally from rest at a traffic light without the sofa sliding out the back of the bed?

Group of answer choices

2.7 m/s2

1.2 m/s2

0.77 m/s2

1.6 m/s2

2.0 m/s²

Answer 1