( ( ( ( ( ( ( ( ( ( ( ( ( vibrational motion ) , ) ( conservative forces ) ) , ) ( inertial ( and ( non-inertial frames ) ) ) ) , ) ( central-force motions ) ) , ) ( rigid bodies ) ) , ) and ) ( rotational dynamics ) ) ( ( are studied ) . ) )
(ROOT (S (NP (NP (JJ vibrational) (NN motion)) (, ,) (NP (JJ conservative) (NNS forces)) (, ,) (NP (JJ inertial) (CC and) (JJ non-inertial) (NNS frames)) (, ,) (NP (JJ central-force) (NNS motions)) (, ,) (NP (JJ rigid) (NNS bodies)) (, ,) (CC and) (NP (JJ rotational) (NNS dynamics))) (VP (VBP are) (VP (VBN studied))) (. .)))
vibrational motion, conservative forces, inertial and non-inertial frames, central-force motions, rigid bodies, and rotational dynamics are studied.
(ROOT (S (NP (NNP Dynamics)) (VP (VBZ is) (NP (NP (DT the) (NN study)) (PP (IN of) (SBAR (WHADVP (WRB how)) (S (NP (NNS forces)) (VP (VBP affect) (NP (NP (DT the) (NN motion)) (PP (IN of) (NP (NNS objects)))))))))) (. .)))
Dynamics is the study of how forces affect the motion of objects.