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Questions and Answers
Which of the following is a fundamental force in physics?
Which of the following is a fundamental force in physics?
- Viscosity
- Gravity (correct)
- Friction
- Tension
Which of the following is not a vector quantity?
Which of the following is not a vector quantity?
- Acceleration
- Energy (correct)
- Force
- Velocity
What is the SI unit of electric charge?
What is the SI unit of electric charge?
- Ampere
- Coulomb (correct)
- Ohm
- Volt
What is the law that states that the net force acting on an object is equal to the mass of the object multiplied by its acceleration?
What is the law that states that the net force acting on an object is equal to the mass of the object multiplied by its acceleration?
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Study Notes
Fundamental Forces in Physics
- There are four fundamental forces in physics: gravity, electromagnetism, strong nuclear force, and weak nuclear force.
Vector Quantities
- Scalars have only magnitude, while vectors have both magnitude and direction.
- Examples of vector quantities include displacement, velocity, acceleration, and force.
SI Units
- The SI unit of electric charge is the coulomb (C).
Newton's Laws
- Newton's second law of motion states that the net force acting on an object is equal to the mass of the object multiplied by its acceleration, expressed as F = ma.
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