Simple Machine II - JSS2 Basic science Past Questions and Answers - page 2
How should machines be stored to prevent damage?
In a clean, dry environment
In a humid environment
In direct sunlight
In a dusty environment
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What should be done promptly to address machine issues?
Delaying repairs
Ignoring worn-out parts
Addressing issues through repairs or replacements
Increasing usage beyond capacity
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Which of the following is a common application of gears?
Baking cookies
Playing video games
Wind turbines
Watching movies
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What do gears help control in robotic systems?
Energy consumption
Temperature
Movement and power distribution
Sound production
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In which industry are gears used in aircraft engines?
Automotive
Aerospace
Renewable energy
Consumer electronics
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What role do gears play in industrial machinery?
Controlling motion and power transmission
Controlling motion and power transmission
Increasing temperature
Increasing noise
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How do gears change the speed, torque, or direction of motion in a mechanical system?
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What factors contribute to the efficiency of simple machines?
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Why is regular maintenance important for machines?
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What are some common applications of gears in everyday life?
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