Class 10th Bihar Board NCERT Physics Chapter 1 Quiz

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Questions and Answers

What is the SI unit of force?

  • Volt
  • Newton (correct)
  • Joule
  • Watt

Which of the following is a scalar quantity?

  • Force
  • Velocity
  • Energy (correct)
  • Acceleration

What is the formula for calculating work done?

  • Force × Distance (correct)
  • Force × Time
  • Mass × Acceleration
  • Velocity × Time

What is the SI unit of force?

<p>Newton (C)</p> Signup and view all the answers

Which of the following is a scalar quantity?

<p>Time (D)</p> Signup and view all the answers

What is the formula for calculating work done?

<p>Work = Force × Distance × cos(θ) (C)</p> Signup and view all the answers

Flashcards

SI unit of force

Newton (N)

Scalar quantity example

A quantity that has only magnitude, not direction.

Formula for work

Work = Force × Distance

Scalar quantity

A physical quantity with only magnitude, no direction.

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Work Formula (complete)

Work = Force × Distance × cos(θ)

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Work

The result of a force moving an object over a distance.

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Energy Example

A scalar quantity, only having magnitude.

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Force Unit

Newton (N)

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Time

Scalar quantity.

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Work definition

Transfer of energy by force moving an object.

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Study Notes

Fundamentals of Physics

  • The SI unit of force is the Newton (N).
  • Scalar quantities include energy, work, and temperature.
  • The formula for calculating work done is: Work (W) = Force (F) × Distance (d) = F × d

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