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Class XI
PHYSICS
Chapter-8-GRAVITATION
WORKSHEET-1
1.
A body weighs 36 kg on the surface of earth. Its weight on the surface of a planet,
whose mass is 1/9 and radius 1/3 of that of earth will be
a. 35.3 kgwt.
b. 63 kgwt.
c. 13 kgwt.
d. 38 kgwt.
2. A boy goes to a height equal to radius of earth from its surface. His weight relative to that
on earth will be
a. 4 W
b. W/2
c. W/8
d. W/4
3.
A ball of mass m is falling in the earth of mass M, the acceleration of earth is
a.
b.
c. mg.
d. Mmg.
4.
If M is the mass and R is the radius of the earth, the ratio of acceleration due to gravity
and gravitational constant is
a.
b.
c.
