What is Mass ? | āĻā§° āĻāĻŋ ?
Definition | āĻ¸āĻāĻā§āĻāĻž
Mass is the amount of matter in an object. (āĻā§āĻ¨ā§ āĻŦāĻ¸ā§āĻ¤ā§āĻ¤ āĻĨāĻāĻž āĻĒāĻĻāĻžā§°ā§āĻĨā§° āĻĒā§°āĻŋāĻŽāĻžāĻŖāĻ āĻā§° (Mass) āĻŦā§āĻ˛ā§āĨ¤)
Points | āĻŦāĻŋāĻˇāĻ¯āĻŧāĻ¸āĻŽā§āĻš
- It does not change with place. (āĻ āĻžāĻ āĻ¸āĻ˛āĻ¨āĻŋ āĻš'āĻ˛ā§āĻ āĻā§° āĻ¸āĻ˛āĻ¨āĻŋ āĻ¨āĻšāĻ¯āĻŧāĨ¤)
- SI Unit = Kilogram (kg). (SI āĻāĻāĻ = āĻāĻŋāĻ˛ā§āĻā§ā§°āĻžāĻŽ (kg)āĨ¤)
- Mass is a scalar quantity. (āĻā§° āĻāĻāĻž āĻ¸ā§āĻā§āĻ˛āĻžā§° ā§°āĻžāĻļāĻŋāĨ¤)
- Measured by Beam Balance or Electronic Balance. (āĻ¤ā§āĻ˛āĻžāĻĻāĻŖā§āĻĄ (Beam Balance) āĻŦāĻž āĻāĻ˛ā§āĻā§āĻā§ā§°āĻ¨āĻŋāĻ āĻŦā§āĻ˛ā§āĻā§āĻā§ā§°ā§ āĻā§āĻāĻž āĻšāĻ¯āĻŧāĨ¤)
Measuring Instruments | āĻā§āĻāĻžā§° āĻ¸āĻāĻā§āĻ˛āĻŋ
- Beam Balance (āĻ¤ā§āĻ˛āĻžāĻĻāĻŖā§āĻĄ)
- Electronic Balance (āĻāĻ˛ā§āĻā§āĻā§ā§°āĻ¨āĻŋāĻ āĻŦā§āĻ˛ā§āĻā§āĻ)
Earth and Moon | āĻĒā§āĻĨāĻŋā§ąā§ āĻā§°ā§ āĻāĻ¨ā§āĻĻā§ā§°
- Earth (āĻĒā§āĻĨāĻŋā§ąā§) → 5 kg
- Moon (āĻāĻ¨ā§āĻĻā§ā§°) → 5 kg
Mass remains the same on Earth and Moon. (āĻĒā§āĻĨāĻŋā§ąā§ āĻā§°ā§ āĻāĻ¨ā§āĻĻā§ā§° āĻĻā§āĻ¯āĻŧā§ āĻ āĻžāĻāĻ¤ā§ āĻā§° āĻāĻā§āĻ āĻĨāĻžāĻā§āĨ¤)
Ex: A bag of 5 kg on Earth is still 5 kg on the Moon. (āĻĒā§āĻĨāĻŋā§ąā§āĻ¤ 5 kg āĻā§°ā§° āĻŦā§āĻ āĻāĻāĻž āĻāĻ¨ā§āĻĻā§ā§°āĻ¤ā§ 5 kg-āĻ āĻĨāĻžāĻā§āĨ¤)
Note: Mass = Amount of Matter (āĻā§° = āĻĒāĻĻāĻžā§°ā§āĻĨā§° āĻĒā§°āĻŋāĻŽāĻžāĻŖ)
- What is Weight ? | āĻāĻāĻ¨ āĻāĻŋ ? : View Paper
- Mass vs Weight (āĻā§° āĻŦāĻ¨āĻžāĻŽ āĻāĻāĻ¨) : View Paper