If you would me with these problems i would be extremely . 1. posture is a good indicator of a- fitness b- strength c- health d-age 2. are essential to understanding how physical objects (and human bodies) move and react to outside forces. a- chemistry classes b- exercise techniques c- the three laws of motion d- biometrics 3. the overall performance of athletes is referred to as a- winning b- fitness c- personal performance d- technique 4. the study of systems in accelerated motion is called a- mechanics b- dynamics c- cardiovascular fitness d- nutrition 5. looks at how a system (or body) in motion moves with respect to time, velocity, and speed. a- statistics b- kinematics c- dynamics d- science