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QuizMoz offers one of the Internet's largest collection of quizzes for you to tease your brain and pit your wits against the experienced QuizMoz quiz masters. Go ahead and find out what you know about yourself and the world around you. Best of luck!!  Gravitation Quiz Facts  Average Score for this quiz: 40%  No of times this quiz has been taken: 84  No of people passing this quiz: 36  No of people failing this quiz: 48  Maximum score for this quiz: 83% Coverage : Gravitation is a natural phenomenon by which all the objects with mass attract each. It is reason for the existence of earth, sun and moon. The Gravitational Quiz is about such concepts including its historical detection, mathematical equations and its discoverers. Check out the Gravitational Quiz and know what you have not learned yet!  Gravitation Discussion Forum 1.  Which scientist worked on the gravitational theory in the late 16th century and early 17th century? a. Galileo Galilei b. Isaac Newton c. Albert Einstein d. Alexander Volta Please provide appropriate updations Ques Which scientist worked on the gravitational theory in the late 16th century and early 17th century? a. b. c. d. Your Name Please describe the changes made by you 2.  The first correct description of gravity was given by: a. Al Khazini b. Ibn Al-Haytham c. Isaac Newton d. Muhammed Ibn Musa Please provide appropriate updations Ques The first correct description of gravity was given by: a. b. c. d. Your Name Please describe the changes made by you 3.  What is the value for the gravitational constant "g" at the earth's surface? a. 9.8 meters per second square b. 3.8 meters per second square c. 6.7 meters per second square d. 4.2 meters per second square Please provide appropriate updations Ques What is the value for the gravitational constant "g" at the earth's surface? a. b. c. d. Your Name Please describe the changes made by you 4.  How will you describe Newton's law of gravitation in terms of an equation? a. E=m(c square) b. F=mg c. F=WS d. F=W Please provide appropriate updations Ques How will you describe Newton's law of gravitation in terms of an equation? a. b. c. d. Your Name Please describe the changes made by you 5.  "Weight causes falling" was a concept in 8th century BC which was introduced by: a. Abdul Salam b. Kanada c. Brahmagupta d. Newton Please provide appropriate updations Ques "Weight causes falling" was a concept in 8th century BC which was introduced by: a. b. c. d. Your Name Please describe the changes made by you 6.  Which of the following are correct? a. Gravitational force is directly proportional to the mass of the object b. Gravitational force is inversely proportional to the mass of the object c. Gravitational force is inversely proportional to the square of distances between the objects d. Gravitational force is directly proportional to the square of the distances between the objects Please provide appropriate updations Ques Which of the following are correct? a. b. c. d. Your Name Please describe the changes made by you 7.  In space, an object maintains its orbit due to the force of gravity acting upon it? a. True b. False Please provide appropriate updations Ques In space, an object maintains its orbit due to the force of gravity acting upon it? a. b. Your Name Please describe the changes made by you 8.  LIGO stands for: a. Life in Gravitational Orbit b. Laser Interferometer Gravitational-Wave Observatory c. Latest Investigation Gravitational Organization d. Laboratory Investigating Gravity Operation Please provide appropriate updations Ques LIGO stands for: a. b. c. d. Your Name Please describe the changes made by you 9.  How is artificial gravity defined? a. It is a simulation of gravity in outer space or free-fall b. It is a type of gravity in space between earth and sun c. It is a gravity used to send satellite in space d. It is gravity used to estimate the speed of light Please provide appropriate updations Ques How is artificial gravity defined? a. b. c. d. Your Name Please describe the changes made by you 10.  When are the kinematical and dynamical equations describing the paths of falling bodies simple? a. When gravitational force is constant b. When gravitational force is zero c. When gravitational force is maximum d. When gravitational force is minimum Please provide appropriate updations Ques When are the kinematical and dynamical equations describing the paths of falling bodies simple? a. b. c. d. Your Name Please describe the changes made by you 11.  According to Newton's third law of motion, earth itself experiences a gravitational force, which is: a. Equal and opposite to the force acting on other body b. Negligent as earth has a huge mass c. Affects its motion in its orbit d. Strong and pulls out earth out of its orbit Please provide appropriate updations Ques According to Newton's third law of motion, earth itself experiences a gravitational force, which is: a. b. c. d. Your Name Please describe the changes made by you 12.  What did Aristotle, a Greek philosopher, believe about gravity before it was actually discovered? a. There is no effect without a cause and no motion without a force b. There is no reaction unless and until there is an action c. Work done on a body causes it to rest d. Every moving object possesses some kinetic energy Please provide appropriate updations Ques What did Aristotle, a Greek philosopher, believe about gravity before it was actually discovered? a. b. c. d. Your Name Please describe the changes made by you 13.  Who computed the universal gravitation constant (G) which is used in Newton's Law of Universal Gravitation? a. Isaac Newton b. Henry Cavendish c. Godfrey Hounsfield d. Blaise Pascal Please provide appropriate updations Ques Who computed the universal gravitation constant (G) which is used in Newton's Law of Universal Gravitation? a. b. c. d. Your Name Please describe the changes made by you Think you know more about this quiz!   Please enter your Name and what you would like to tell everyone about Gravitation  Name: Think you know more about Gravitation and would like others to know too? Whether its a great fact, a joke, a personal experience or an interesting anecdote, please share it with all the human beings on planet earth. Your contribution will help keep QuizMoz a free site for all.    (Optional)  (average submission size - 5 to 10 lines) Gravitation Discussion Forum Know the Latest News about Gravitation! What others think about Gravitation By: Jenil on Oct 15, 2009    Very good quiz By: Nimi on Nov 18, 2008    Nice questions!! 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