Ques:Q: If the amount of force of that is applied is increased, what happens to the work that a machine is producing? Choices: - it's unchanged - it is harder - it's variable - it is easier A:

Ans:it is easier
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Ques:Q: What type of lens and mirrors have a negative focal length? Choices: - converging - convexing - subverging - diverging A:

Ans:diverging
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Ques:Q: What type of energy occurs by splitting the nuclei of radioactive uranium? Choices: - microwave - atomic - kinetic - nuclear A:

Ans:nuclear
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Ques:Q: Kirchhoff's second rule (the loop rule) is an application of conservation of what? Choices: - heating - Rock - mineral - energy A:

Ans:
energy
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