/10 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 12345678910 Chapter 7 : Gravitation This Quiz Contains a set of 10 Questions. The Passing Cut-off is 60%. To start the Quiz, click on the Start Button. All the Best! 1 / 10 Value of gravitational constant G is 9.8 6.67×10⁻¹¹ 3×10⁸ 1.6×10⁻¹⁹ 2 / 10 If r → 2r, gravitational force becomes F F/2 2F F/4 3 / 10 Universal law of gravitation was given by Galileo Kepler Einstein Newton 4 / 10 Expression for gravitational potential energy is −GMm/r GMm/r GM/r −GM/r² 5 / 10 A satellite falling freely towards Earth is in Uniform motion Circular motion SHM Accelerated motion 6 / 10 Time period of satellite varies as r r² r³ r³ᐟ² 7 / 10 For same radius, satellite with greater mass has Same speed Less speed More speed Zero speed 8 / 10 Escape speed on Moon compared to Earth is Greater Smaller Same Infinite 9 / 10 Gravitational force between two masses is always Attractive Repulsive Zero Variable 10 / 10 SI unit of gravitational constant G is N m² kg⁻² N kg² m⁻² kg² N m⁻² N m kg⁻¹ Your score is 0% Restart quiz
