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 If mass of one of two objects is doubled then the gravitational force acting between the two is also _______ doubled halved eight times four times 2 / 10 By observing falling apple, Newton came to conclusion that the apple falls vertically downward due to a ______ force. centrifugal pseudo centre seeking centre repulsive 3 / 10 The minimum velocity of the spacecraft to escape from earth’s gravitational force must be ______ 1.12 km/s 11.2 km/s 0.112 km/s 112 km/s 4 / 10 According to Newton’s__________ law of motion, a force acting on a body results in its acceleration. first third second zeroth 5 / 10 Acceleration of an object thrown upwards is always taken ________ as it moves against the force of gravity. positive zero infinite negative 6 / 10 Which of the following statement is incorrect in case of centre of mass? The centre of mass of any object is always inside that object. All the mass of the object is assumed to be concentrated at the centre of mass The centre of mass of a spherical object having uniform density at its geometrical centre. The centre of mass of any object having uniform density is at its centroid 7 / 10 The orbit of a planet is a/an ___________ with the Sun at _______ parabolic, one of the foci ellipse, one of the foci hyperbolic, the centre circular, the centre 8 / 10 When distance between two objects is decreased by d times, the gravitational force between them increases 4 times. The value of d is ________ 3 8 4 2 9 / 10 For bodies which are not spherical or having an irregular shape, the direction of the force is along the line joining their_______ both (A) and (B) (C) nearest edges (B) centres (A) centre of masses 10 / 10 On the _______, value of acceleration due to gravity is 1/6 times that on the surface of the earth. sun mars moon planet mercury 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