The concept of "motion" in motion pictures was started by A. a $25,000 bet

B. an attempt to prove that a horse had all four feet off the ground at the same time

C. using 24 still cameras

D. all of the above are correct

Let r be a robotic arm with a fixed base and seven links. the last joint of r is a prismatic joint, the other ones are revolute joints. give a set of parameters that determines a placement of r. what is the dimension of the configuration space resulting from your choice of parameters?