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chapter 9

Chapter 9 Force and Law of Motion

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 1 Comment

mass

Class 9 | Science | Chapter 9 |Force and Law of Motion| NCERT Solutions Question Answers Page 118 1.Which of the following has more inertia: (a) a rubber ball and a stone of the same size? (b) a bicycle and a train? (c) a five rupees coin and a one-rupee coin? Answer : Inertia is the measure of mass of the body.The greater is the mass of a body, greater is … [Read more...] about Chapter 9 Force and Law of Motion

Chapter 12 Friction

Last Updated on May 4, 2020 By Mrs Shilpi Nagpal 2 Comments

Book moving downwards

Class 8 | Science | Ch 12 |Friction| NCERT Solutions 1. Fill in the blanks. (a) Friction opposes the _____________ between the surfaces in contact with each other. (b) Friction depends on the _____________ of surfaces. (c) Friction produces __________. (d) Sprinkling of powder on the carrom board ________ friction. (e) Sliding friction is ___________ than the static … [Read more...] about Chapter 12 Friction

Chapter 11 Force and Pressure

Last Updated on April 18, 2019 By Mrs Shilpi Nagpal

Class 8 | Science | Ch 9 |Force and Pressure| NCERT Solutions 1. Give two examples each of situations in which you push or pull to change the state of motion of objects. Answer: 1) If we kick a stationary football kept on the ground, then the football starts moving. The force of our foot makes the stationary football to move. 2) Take a rubber ball and place it on … [Read more...] about Chapter 11 Force and Pressure

Chapter 9 Reproduction in Animals

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 1 Comment

Metamorphosis of frog

Class 8 | Science | Ch 9 |Reproduction in Animals| NCERT Solutions 1. Explain the importance of reproduction in organisms. The production of new organism from the existing organism of the same species is known as reproduction.Reproduction is the creation of new living things.It is essential for the survival of species on this earth. So,  living organism produce more … [Read more...] about Chapter 9 Reproduction in Animals

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