Question

When analyzing dynamics problems, free-body diagrams

a) should be used only when objects are accelerating
b) should include only the forces that are directly responsible for the acceleration
c) only apply to objects in equilibrium
d) should always be used
e) are more useful when analyzing horizontal forces than when analyzing vertical forces

Answer 1

What is the correct answer?

Answer 2

e) are more useful when analyzing horizontal forces than when analyzing vertical forces

Answer 3

d) should always be used