Firefighter Mechanical Aptitude · Question
Which of Newton's Laws of Motion is most directly applicable when considering the force required to accelerate a heavy fire truck?
Newton's Second Law states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass (F =
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Question: Which of Newton's Laws of Motion is most directly applicable when considering the force required to accelerate a heavy fire truck?
Answer options: ✅ Newton's Second Law (F = ma)
- Newton's First Law (Inertia)
- Newton's Third Law (Action-Reaction)
- Law of Universal Gravitation
Correct answer: Newton's Second Law (F = ma)
Explanation: Newton's Second Law states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass (F = ma). A heavy fire truck has a large mass, so a significant force is needed to accelerate it.
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- 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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