2. Two crates, A and B, are in an elevator as shown. The mass of crate A is greater than the mass of crate B.

a. The elevator moves downward at constant speed.

i. How does the acceleration of crate A compare to that of crate B? 

Explain.

ii. In the spaces provided below, draw and label separate free-body speed diagrams for the crates.

. Advertisement . ..4.. Free-body diagram for crate A

Free-body diagram crate B

iii. Rank the forces on the crates according to magnitude, from largest to smallest. Explain your reasoning, including how you used Newton’s second and third laws.