Class 10 Science I – CET/Board Practice MCQ (Gravitation) / Objectives / By Elite Tutors Note:→ The following Quiz helps students to learn and practice Objectives.→ Each Quiz is of 10 questions→ Quiz has timer→ Questions will appear randomly→ To practice all objectives students are supposed to take Quiz again and again. Click here to start Quiz 0 votes, 0 avg 0 Created by Elite Tutors CET MCQ Quiz Science I – Gravitaion SSC MAHARASHTRA BOARD CLASS X Science I – Gravitation MCQs 1 / 10 According to Newton’s law of gravitation, for two objects kept at a distances d from each other, if the distance between the objects is tripled, then the force between the two objects ________ increases by a factor of 9 increases by a factor of 3 decreases by a factor of 3 decreases by a factor of 9 2 / 10 A ball of mass 2 kg is released from a height of 180 m and falls freely to the ground. Assuming that the value of g is 10 m/s2, the time taken by the ball to reach the ground is _______ 4 s 5 s 6 s 2 s 3 / 10 The minimum velocity of the spacecraft to escape from earth’s gravitational force must be ______ 112 km/s 1.12 km/s 11.2 km/s 0.112 km/s 4 / 10 By observing falling apple, Newton came to conclusion that the apple falls vertically downward due to a ______ force. centre seeking centre repulsive pseudo centrifugal 5 / 10 In SI units, the value of G is equal to the _________ between two masses of 1 kg kept 1 m apart. acceleration due to gravity kepler’s constant repulsive force gravitational force 6 / 10 The force of attraction between two unit point masses separated by a unit distance equals acceleration due to gravity universal gravitational constant gravitational potential gravitational field 7 / 10 Escape velocity of a satellite depends on the _____ size of satellite radius of the orbit of the satellite mass of the planet mass of the satellite 8 / 10 For bodies which are not spherical or having an irregular shape, the direction of the force is along the line joining their_______ (B) centres (A) centre of masses both (A) and (B) (C) nearest edges 9 / 10 Law of gravitation gives the gravitational force between___________ two charged bodies only any two bodies having some mass the earth and Sun only the earth and a point mass only 10 / 10 The value of g on moon is 1/6th of its value on the earth. If a person weighs 14 N on the moon’s surface, then the weight of the person on earth’s surface is ____ 84N 62N 96N 54N Your score is The average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Exit The above quiz consists of these topics: ⇒ Class 10 Science Part – 1 Chapter – 1 Gravitation