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Monday, 23 March 2015
science
Q.1. When we move from the poles to the equator. Hence, the value of „ g ‟ decreases. Why
Ans: The shape of earth is an ellipse so when we move from the poles to the equator the radius of the
earth R increases. Hence, the value of „ g ‟ decreases because value 'g' is inversely proportional to the
radius of earth. g = GM/R2
Q. 2. What is the diffrence between centrifugal force and centripetal force?
Ans: Centripetal Force
(i) It is the force that keeps a body in circular path.
(ii) It acts toward the center.
Centrifugal Force
(i) It is the pseudo force that tries to make a body fly off the circular path.
(ii) It acts outward the center.
Q.3. Explain :Centrifugal force and Centripetal force?
Ans: A force which is required to move a body uniformly in a circle is known as centripetal force.
This force acts along the radius and towards the center of the circle,
Centrifugal force arises when a body is moving actually along a circular path, by virtue of tendency
of the body to regain its natural straight line path. This force acts along the radius and away from the
center of the circle
Ans: The shape of earth is an ellipse so when we move from the poles to the equator the radius of the
earth R increases. Hence, the value of „ g ‟ decreases because value 'g' is inversely proportional to the
radius of earth. g = GM/R2
Q. 2. What is the diffrence between centrifugal force and centripetal force?
Ans: Centripetal Force
(i) It is the force that keeps a body in circular path.
(ii) It acts toward the center.
Centrifugal Force
(i) It is the pseudo force that tries to make a body fly off the circular path.
(ii) It acts outward the center.
Q.3. Explain :Centrifugal force and Centripetal force?
Ans: A force which is required to move a body uniformly in a circle is known as centripetal force.
This force acts along the radius and towards the center of the circle,
Centrifugal force arises when a body is moving actually along a circular path, by virtue of tendency
of the body to regain its natural straight line path. This force acts along the radius and away from the
center of the circle
BOOKS AND AUTHORS
BOOKS AND AUTHORS
[1] Life of Pi ------ Yann
Martel
[2] When Loss is Gain ------ Diplomat Pavan K.Varma
[3] One Day Wonders ------ Sunil Gavaskar
[4] My life and Times ------ V.V. Giri
[5] Kalpana Chawla - A Life ------ Anil Padmanaban
[6] Kamasutra ------- Vatsayana
[7] War and Piece ----- Leo Tolstoy
[8] Devdas -------- Sharat Chandra Chatterjee
[9] Half a Life -------- V.S Naipoul
[10] Unhappy India ----- Lala Lajpat Rai
[11] Jyoti punj ------ Narendra Modi
[12] The Adventures of Sherlock Holmes ------- Sir Arthur Conan Doyle
[13] Economic History of India ------- R. C. Dutt
[14] The book of Indian Birds ------- Dr. Salim Ali
[15] Living with Honour ------ Shiv Khera
[16] We Indians, Train To Pakistan, Women and Men in My Life -------Khuswant Singh
[17] The Discovery of India -------- Jawaharlal Nehru
[18] Indian Philosophy -------- Dr. S. RadhaKrishnan
[19] Gulliver Travels ------- Jonathan Swift
[20] My Nation My Life ----- L.K. Advani
[21] Independence ------- S.K. Banerjee
[22] Last Days of Nethaji ------- G.D. Khosla
[23] My Experiments with Truth ------- Mahatma Gandhi
[24] The God of Small Things ------- Arundhati Roy
[25] War and Piece ------ Tolstoy
[26] Wakeup India ----- Annie Besant
[27] Two Lives, The Golden Gate, A Suitable Boy, Arion and The Dolphin, An Equal Music, From Heaven Lake:Travels ------ Vikram Seth
[28] India First ------- K. R. Malkani
[29] My Life -------- Bill Clinton
[30] Dreams From My Father -------- Barack Obama
[31] The Future of India ------- Dr. Bimal Jalan
[32] Hamlet, Othello, Macbeth, King Lear ------- Shakespeare
[2] When Loss is Gain ------ Diplomat Pavan K.Varma
[3] One Day Wonders ------ Sunil Gavaskar
[4] My life and Times ------ V.V. Giri
[5] Kalpana Chawla - A Life ------ Anil Padmanaban
[6] Kamasutra ------- Vatsayana
[7] War and Piece ----- Leo Tolstoy
[8] Devdas -------- Sharat Chandra Chatterjee
[9] Half a Life -------- V.S Naipoul
[10] Unhappy India ----- Lala Lajpat Rai
[11] Jyoti punj ------ Narendra Modi
[12] The Adventures of Sherlock Holmes ------- Sir Arthur Conan Doyle
[13] Economic History of India ------- R. C. Dutt
[14] The book of Indian Birds ------- Dr. Salim Ali
[15] Living with Honour ------ Shiv Khera
[16] We Indians, Train To Pakistan, Women and Men in My Life -------Khuswant Singh
[17] The Discovery of India -------- Jawaharlal Nehru
[18] Indian Philosophy -------- Dr. S. RadhaKrishnan
[19] Gulliver Travels ------- Jonathan Swift
[20] My Nation My Life ----- L.K. Advani
[21] Independence ------- S.K. Banerjee
[22] Last Days of Nethaji ------- G.D. Khosla
[23] My Experiments with Truth ------- Mahatma Gandhi
[24] The God of Small Things ------- Arundhati Roy
[25] War and Piece ------ Tolstoy
[26] Wakeup India ----- Annie Besant
[27] Two Lives, The Golden Gate, A Suitable Boy, Arion and The Dolphin, An Equal Music, From Heaven Lake:Travels ------ Vikram Seth
[28] India First ------- K. R. Malkani
[29] My Life -------- Bill Clinton
[30] Dreams From My Father -------- Barack Obama
[31] The Future of India ------- Dr. Bimal Jalan
[32] Hamlet, Othello, Macbeth, King Lear ------- Shakespeare
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