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Exam (elaborations)
Dynamics Chapter 12
only a mass - CORRECT ANSWER-In dynamics, a particle is assumed to have _________. 
A) both translation and rotational motions 
B) only a mass 
C) a mass but the size and shape cannot be neglected 
D) no mass or size or shape, it is just a point 
 
sT/Δt - CORRECT ANSWER-The average speed is defined as __________. 
A) Δr/Δt 
B) Δs/Δt