Firefighter Mechanical Aptitude · Question
Where is the centre of gravity located on a uniformly dense, symmetrical object?
For uniformly dense and symmetrical objects, the centre of gravity coincides with the geometric centre.
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Question: Where is the centre of gravity located on a uniformly dense, symmetrical object?
Answer options:
- At one end of the object. ✅ At the geometric centre of the object.
- Always on the surface of the object.
- It constantly shifts during movement.
Correct answer: At the geometric centre of the object.
Explanation: For uniformly dense and symmetrical objects, the centre of gravity coincides with the geometric centre.
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Question explanations
- Scenario 1: Which simple machine uses a fulcrum to multiply force or change the direction of force?
- Scenario 2: If a hydraulic jack has a small piston with an area of 5 cm² and a large piston with an area of 50
- Scenario 3: Which of the following would require the MOST force to move?
- Scenario 4: A rope is tied to a heavy box. Instead of pulling the box directly, a firefighter wraps the rope a
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