physics-9-chapter-4-turning-effect-of-force-4


1. What is the value of gravitational constant?




2. What is the SI unit of gravitational constant?




3. What is the value of ‘G’?




4. What is the SI unit of ‘G’?




5. What is the result of gravitational force of attraction between the Earth and the object?




6. What is the mass of mars?




7. What is the radius of mars?




8. Which of the following is due to the gravitational force between the body and the Earth?




9. Find the acceleration due to gravity on the surface of the Mars. The mass of Mars is 6.42x1023 kg and its radius is 3370 km?




10. Which of the following is the same in the force of attraction of mass m1 and mass m2?




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