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Laws of Motion Quiz - Class XI Physics
Class XI
Physics
Laws of Motion
12 questions
HARD
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Preview questions
1. What is the net force acting on an object in equilibrium?
Equal to zero · Equal to its mass · Equal to its weight · Equal to the applied force
2. According to Newton's second law, what is the relationship between force, mass, and acceleration?
F = m/a · F = ma · F = a/m · F = m + a
3. Which of the following is a unit of force in the SI system?
Joule · Newton · Pound · Kilogram
4. If a car accelerates uniformly from rest to a speed of 20 m/s in 5 seconds, what is the acceleration?
2 m/s² · 4 m/s² · 5 m/s² · 10 m/s²
5. What does the term 'inertia' refer to?
The tendency of an object to resist changes in motion · The force acting on an object · The mass of an object · The acceleration of an object
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