Question: Q: What is indicated by the ratio of the output force to the input force in a machine? Choices: - momentum - magnetic force - man hours - mechanical advantage A:
Answer: mechanical advantage

Question: Q: Earth spinning as air moves over its surface causes what? Choices: - seasons - centrifugal effect - axial tilt - coriolis effect A:
Answer: coriolis effect

Question: Q: What do you call the splitting of the nucleus of an atom into two smaller nuclei? Choices: - critical fission - nuclear fusion - cell division - nuclear fission A:
Answer:
nuclear fission