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
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
Which of the following is a common application of gears?
Baking cookies
Playing video games
Wind turbines
Watching movies
What do gears help control in robotic systems?
Energy consumption
Temperature
Movement and power distribution
Sound production
In which industry are gears used in aircraft engines?
Automotive
Aerospace
Renewable energy
Consumer electronics
What role do gears play in industrial machinery?
Controlling motion and power transmission
Controlling motion and power transmission
Increasing temperature
Increasing noise
How do gears change the speed, torque, or direction of motion in a mechanical system?
What factors contribute to the efficiency of simple machines?
Why is regular maintenance important for machines?
What are some common applications of gears in everyday life?
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