Class 9 – Gravitation – Quiz

Test yourself what you have studied in this chapter with the help of this quiz created by the BrainIgniter experts and improve your study accordingly. You will have to score minimum 60% to pass this quiz. Best wishes !


An apple falls from a tree because of the gravitational attraction between the earth and the apple. If F1 is the magnitude of the force exerted by the earth on the apple and F2 is the magnitude of the force exerted by the apple on the earth, then


A stone is released from the top of a tower of height 19.6 m. Then its final velocity just before touching the ground will be: (Take g = 9.8 m/s2)


A rectangular wooden block has the length, breadth and height of 40 cm, 35 cm and 10 cm, respectively. This wooden block is kept on ground in three different ways, turn by turn. Which of the following is the correct statement about the pressure exerted by this block on the ground?


A ball weighing 4 kg of density 4000 kgm-3 is completely immersed in water of density103 kgm-3. What will be the buoyant force acting on it?


What is the gravitational force between two objects?


An object having mass equal to 350 g occupies 200 cm3 of the space. When this object is thrown into a river what will be the condition of this object there? (Density of water = 1 g/ cm3)


What happens to the weight of the body if the weight becomes 1/16 at a certain. Also, consider the radius of the earth to be R.


The atmosphere around the earth is held by