動どう力りき学がく

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Meanings

1

noun

Technical term in physics and engineering for the study of forces and motion. Not used in everyday conversation.

move, motion, change

力power, strength, strong

学study, learning, science

力りき学がく
力学 is the broader field of mechanics, while 動力学 specifically refers to dynamics, the branch dealing with forces and motion.
静せい力りき学がく
静力学 is statics, the study of forces in equilibrium, contrasting with 動力学 which deals with motion.

Compound of 動 (motion) + 力学 (mechanics). A straightforward technical coinage.