Q1 choose and write the correct options (1) the phenomenon of gravitation was discovered by......(2) the gravitational force of attraction between two objects is given by......(3) acceleration is ............ quantity (4) the gravitational force couses............ Q2 name the following (1) the book written by Newton. (2) the force that helps the earth attract every object near it. (3) the si unit of weight. (4) the amount of matter persent in body. (5) value of 'g' at the centre of the earth.
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(Q1)
(The phenomenon of gravitation was discovered by Isaac Newton.
(2) The gravitational force of attraction between two objects is given by Newton's 2nd law of gravitation.
(3) Acceleration is vector quantity.
(4) the gravitational force causes gravitational pull.
(Q2)
(1) The book written by Newton.-- the principa
(2) tte force that helps the earth attract every object near it.-- gravity
(3) The SI unit of weight.-- newton (N)
(4) the amount of matter persent in body.-- mass
(5) value of 'g' at the centre of the earth.-- 9.8 m/s2
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