PW NEEV Class 9
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One Mark Question and Answers (Force and Laws of motion )
1. Define momentum

πŸ‘‰ Momentum of an object is the product of its mass and velocity.
Momentum = π‘š Γ— 𝑣

where:
π‘š is the mass and
𝑣 is the velocity.
Unit: kgΒ·m/s.

2. State first law of motion.

πŸ‘‰ Newton’s First Law of Motion states:
"An object at rest will remain at rest, and an object in motion will continue in motion with the same speed and in the same direction, unless acted upon by an external force."

3. What is Inertia?

πŸ‘‰Inertia is the tendency of an object to resist changes in its state of motion. The greater the mass of an object, the greater its inertia.

4. Can action and reaction balance each other?

πŸ‘‰No, action and reaction forces do not balance each other because they act on different objects. They are equal in magnitude but opposite in direction.

5. How does one climb up a rope?

πŸ‘‰To climb a rope, you pull the rope downward, and the rope exerts an upward force (reaction) on your body, helping you lift yourself up.

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πŸ‘79πŸ’―10❀‍πŸ”₯6πŸ‘Œ5πŸŽ‰4❀3🀩2
Lines and Angles.pdf
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Hello Hello Baccho

Maths Chapter Hadwritten notes agar hai apke liye πŸ“šπŸ“š

Ache se pdhai karte rho πŸ“πŸ“

All the best βœ…βœ…
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Square And Square root table
Quick Revision

Ache se pdhai karna sab
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Types of Angles πŸ“πŸ“
Quick Revision βœ…βœ…

Ache se dekh lena, Pdhai karte rho ✍️✍️
All the Best πŸ’«πŸ’«
Share it with your friends and stay connected With @pwneevclass9 πŸ“±πŸ“²
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Hello baccho πŸ‘‹
Aapke liye social science ke questions agae hai

πŸ‘‰Who was Hitler? How did Hitler reconstruct Germany?

πŸ‘‰Who was M.N. Roy?

🧐🧐Kya aap inke answer de sakte hai ?
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Answers of these Questions βœ…βœ…

πŸ‘‰ Adolf Hitler was the founder of the Nazi Party, who became the Chancellor of Germany in 1933. He soon became the dictator of Germany. To reconstruct Germany, Hitler assigned the responsibility of economic recovery to the economist Hjalmar Schacht. In 1933, Hitler pulled out of the League of Nations, reoccupied the Rhineland in 1936 and integrated Austria and Germany in 1938 under the slogan, One people, One empire and One leader.

πŸ‘‰M.N. Roy was an Indian revolutionary. He was a founder of the Mexican Communist Party and prominent Comin tern leader in India. He was in Central Asia at the time of civil war in the 1920s.

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This is all about the power of self-reflection in helping us grow and gain new insights βœ…βœ…

@pwneevclass9
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Gravitation.pdf
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Science Chapter Gravitation handwritten notes Agae hai Apke liye ✍️✍️

Ache se pdhai karte rhna or haan yaad rakhna ke Consistency is the key πŸ’―πŸ’―

All the Best
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Gravitation Chapter Free Fall

Concept ko Ache se samajh lena And aapko kya lagta hai kya Ground ko coin ya feather mai se konsi cheez phle touch kregi ?

All the best
@pwneevclass9
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Answer of the Question βœ…βœ…

πŸ‘‰ In a vacuum (absence of air), both the coin and the feather would fall to the ground simultaneously, as they are subject to the same acceleration due to gravity (g = 9.8 m/s^2).

However, in the presence of air (our everyday environment), air resistance slows down the feather significantly due to its larger surface area and lower density. The coin, being denser and more compact, experiences less air resistance.

Therefore, the coin will fall to the ground first. ✍️✍️


Interesting fact: This experiment was famously performed by Galileo Galilei from the Leaning Tower of Pisa in 1589.

Good Luck
@pwneevclass9
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History Quick Revision of French Revolution

Ache se pdhai karte rho ✍️✍️
All the best βœ…βœ…
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πŸŽ‰πŸŽ‰ Happy Children's Day πŸŽ‰πŸŽ‰

You are the future, the change-makers, and the dreamers! Believe in yourself, apne sapno ko pursue karo, aur kabhi haar mat manna.πŸ’«πŸ’«

Keep shining, young stars!✨✨

@pwneevclass9πŸ’―πŸ’―
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Triangles (1).pdf
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Hello Hello Baccho πŸ‘‹πŸΌπŸ‘‹πŸΌπŸ‘‹πŸΌ

Triangles Handwritten notes agae hai apke liye ✍️✍️✍️

Ache se dekh lena or pdhai karte rho πŸ§‘β€πŸŽ“πŸ§‘β€πŸŽ“

All the best, ✈️✈️
stay connected with @pwneevclass9βœ…βœ…
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πŸ‘‹πŸΌπŸ‘‹πŸΌ Hello Baccho Chapter Triangle ke Questions Agar hai, Apki practice k liye πŸ“πŸ“

In Questions ko Solve karo And Post pr πŸ‘ react kro, iske Answer bhi Apko mil jaenge

πŸ‘©β€πŸŽ“πŸ‘©β€πŸŽ“Ache se pdhai karte rho or time to time Apni knowledge check karte rho 🧠🧠

All the best πŸ‘πŸ‘
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Chapter Triangle Answers ✍️✍️

πŸ“šπŸ“šAap Ache se dekh lena ke kha kha mistake hui hai aapse, or haanapni galtiyo se seekhna or Ache se pdhai karte rhoπŸ§‘β€πŸŽ“πŸ§‘β€πŸŽ“

All the best βœ…βœ…

@pwneevclass9 πŸ’―
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🎲 Quiz '5 Questions about atoms and molecules'
@pwneevclass9
πŸ–Š 5 questions Β· ⏱ 45 sec
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Everything is possible , Believe in yourself βœ…βœ…

@pwneevclass9 ⭐️
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The Fundamental Unit of Life ONE SHOT | Full Chapter | Class 9th Science |

Class link - https://youtu.be/2_zk9rG0k0w?si=xpocqgKaf2qZ0tOB

ache se pdhai karte rho
All the best
@pwneevclass9
πŸ‘68πŸ¦„7😒4πŸ‘Œ4😘4πŸ˜‡3πŸ€—2πŸŽƒ1
PW NEEV Class 9
The Fundamental Unit of Life ONE SHOT | Full Chapter | Class 9th Science | Class link - https://youtu.be/2_zk9rG0k0w?si=xpocqgKaf2qZ0tOB ache se pdhai karte rho All the best @pwneevclass9
Hello Baccho πŸ‘‹πŸΌπŸ‘‹πŸΌ

Chapter Complete kar lo jaldi jaldi βœ…βœ…
Taki phir Revision kar sko πŸ“πŸ“

All the best ✨✨
@pwneevclass9
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Difference Between Prokaryotes And Eukaryotes βœ…βœ…

Ache se dekh lena taki inke Answers de sko ye Differences important hai ❗️❗️

All the Best
@pwneevclass9
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