C Ca
load
way
on?
the
onal
Swe
a. Gravity_
c. Freefall
e. Acceleration due to gravity
2. Answer the following questions.
b. Gravitational constant
d. Weightlessness
f. Mass
a. Define the terms 'gravity' and 'gravitation'.
b. State Newton's universal law of gravitation.
c. Verify Newton's law of gravitation.
g. Weight
d. What change in gravitation occurs if the distance between two bodies is
doubled by keeping the mass constant? Derive the relation to show effect.
e. Why is 'G' called universal constant? Write its SI unit and value.
f. Why does an object weigh more in Terai than on the top of Mt. Everest?
g. What is gravity? What are the factors that affect gravity?
h. What is freefall? A satellite orbiting around the earth is always in the state of
freefall. Why is it so? Give reason.
i. What is weightlessness? Mention its condition.
The mutual force of attraction between an apple and the earth is equal and
pposite, but the apple falls down to the earth and the earth appears to be at
est. Why?
It is dangerous to jump from a significant height. Why?
load
way
on?
the
onal
Swe
a. Gravity_
c. Freefall
e. Acceleration due to gravity
2. Answer the following questions.
b. Gravitational constant
d. Weightlessness
f. Mass
a. Define the terms 'gravity' and 'gravitation'.
b. State Newton's universal law of gravitation.
c. Verify Newton's law of gravitation.
g. Weight
d. What change in gravitation occurs if the distance between two bodies is
doubled by keeping the mass constant? Derive the relation to show effect.
e. Why is 'G' called universal constant? Write its SI unit and value.
f. Why does an object weigh more in Terai than on the top of Mt. Everest?
g. What is gravity? What are the factors that affect gravity?
h. What is freefall? A satellite orbiting around the earth is always in the state of
freefall. Why is it so? Give reason.
i. What is weightlessness? Mention its condition.
The mutual force of attraction between an apple and the earth is equal and
pposite, but the apple falls down to the earth and the earth appears to be at
est. Why?
It is dangerous to jump from a significant height. Why?