A. resistance of the air c. force of gravitation
A feather and a coin released at the same time from the same height do not reae
the ground at the same time because of the:
b. force of gravity
d. difference in mass
7.
a. 9.8 N
b. 500 N
c. 50 N
d. 98 N
a. W=g
1
b. Woc
What is the relation between weight of a body and acceleration due to gravity?
c. W og
d. W=2g
nswer the following questions.
What is gravitation? What are the factors that affect gravitation? Write the SI un
of gravitation.
State Newton's universal law of gravitation. Show the relation of the gravitatio
force between two heavenly bodies with the product of their masses and
distance between their centre with necessary diagrams.
Define G in terms of the gravitational force between two masses. Write its value ar
unit.
How much would a person whose mass is 60kg weigh on the moon?