True or False for the following statements. If False, please explain why (396 ea

Question

True or False for the following statements. If False, please explain why (396 each) a) In Normal-Tangential (N-T) coordinates, the acceleration exists in both N and T directions, so are the velocity and position vectors. b) In r-e coordinates, the acceleration exists in both r and e directions, so are the velocity and position vectors For velocity of particle A relative to B (observed from B), is the same as the velocity of B (observed from A) but opposite in sign. c) d) For a constrained motion, we can define multiple datum planes, in determining the kinetics directions and the datum can not be independent to each other. For kinetics problems, which involves the force and kinematics, the equation in dealing with the problem is F=ma relationship. This equation does not dependent on any coordinate system adopted for analysis, i.e, always F-ma along any axis. e)

Explanation / Answer

1- true

2-true

3-true

4true

5 kinematic study deals with motion without reference to the force and cause of the motion.

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