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Questions and Answers
What is the SI unit of force?
What is the SI unit of force?
What is the SI unit of energy?
What is the SI unit of energy?
Which of the following is a vector quantity?
Which of the following is a vector quantity?
Which law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force?
Which law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force?
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What is the SI unit of electric current?
What is the SI unit of electric current?
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Which of the following is a scalar quantity?
Which of the following is a scalar quantity?
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What is the SI unit of power?
What is the SI unit of power?
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What is the SI unit of work done?
What is the SI unit of work done?
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Which of the following is a scalar quantity?
Which of the following is a scalar quantity?
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What is the SI unit of electric charge?
What is the SI unit of electric charge?
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Study Notes
Units in Physics
- The SI unit of force is the Newton (N).
- The SI unit of energy is the Joule (J).
Vector and Scalar Quantities
- Force is a vector quantity.
- Mass is a scalar quantity.
- Energy is a scalar quantity.
- Work done is a scalar quantity.
Laws of Motion
- Newton's First Law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force.
Electricity
- The SI unit of electric current is the Ampere (A).
- The SI unit of power is the Watt (W).
- The SI unit of electric charge is the Coulomb (C).
- The SI unit of work done is the Joule (J).
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Description
Test your knowledge of physics concepts from Class 9 NCERT with questions about SI units, vector quantity, and laws of motion.
