Class 9 science assignment Question of chapter gravitation
Gravitation assignment based on topic gravity and gravitation value of g on earth and on moon equation of motion for A body moving under Gravity
1. How does gravity differ from gravitation?
2. What is acceleration due to gravity of the earth?
3. What is the value of acceleration due to gravity of the earth?
4. Compare the value of 'g' on moon with that on earth.
5. How is 'g' related to 'G'?
6. Is the value of 'g' on the surface of the earth constant?
7. At what place on the earth the value of 'g' becomes zero?
8. Write the equations of motion for freely falling body.
9. Write the equations of motion for a body thrown vertically upwards.
10. A ball is thrown vertically upwards, prove that its time of ascent is equal to the time of descent.
11. A person buys a few grams of gold at the poles. He sold the same to another person at the equator. Will the person at the equator agree with the weight of the gold bought at the poles? If not give reason.
12. What is the importance of the universal law of gravitation?
13. A ball thrown up vertically returns to the thrower after 6 s.
Find
(a) the velocity with which it was thrown up
(b) the maximum height it reaches
(c) its position after 4 s.
Gravitation assignment based on topic gravity and gravitation value of g on earth and on moon equation of motion for A body moving under Gravity
1. How does gravity differ from gravitation?
2. What is acceleration due to gravity of the earth?
3. What is the value of acceleration due to gravity of the earth?
4. Compare the value of 'g' on moon with that on earth.
5. How is 'g' related to 'G'?
6. Is the value of 'g' on the surface of the earth constant?
7. At what place on the earth the value of 'g' becomes zero?
8. Write the equations of motion for freely falling body.
9. Write the equations of motion for a body thrown vertically upwards.
10. A ball is thrown vertically upwards, prove that its time of ascent is equal to the time of descent.
11. A person buys a few grams of gold at the poles. He sold the same to another person at the equator. Will the person at the equator agree with the weight of the gold bought at the poles? If not give reason.
12. What is the importance of the universal law of gravitation?
13. A ball thrown up vertically returns to the thrower after 6 s.
Find
(a) the velocity with which it was thrown up
(b) the maximum height it reaches
(c) its position after 4 s.
