Question

PHYSICS - IX PART - II
GRAVITATION
GOLD PACKAGE
6.
d) 52 a
4
7
Three uniform spheres each has a mass m and radius ‘a’ are kept in such a way that each touches the
other two. The magnitude of the gravitational force on any of the spheres due to the other two is
4Gm?
3Gm
√3 Gm²
1 Gm?
a)
b)
a?
Loic
c)
a?
a?
You are given a total mass M to divide it into two parts so that the gravitational force between them at a
distance is maximum, the masses should be
Idi
M 3M
M 4M
M M
b)
c)
d)
4 4
3 3
5 5
2 2.
M 2M
a)
5
PLATINUM PACKAGE
Two particles of masses 1kg and 2kg are placed at a separation of 50cm. Assuming that the only forces
acting on the particles are their mutual gravitation, the initial accelerations of the two particles are
a) 6 x 10-1°ms 2 and 8.7 x 10-1°m/s2
b) 5.3 x 10-1°ms 2 and 2.65 x 10 10m/s2 161
c) 1.57 x 10-10 ms-2 and 3.4 x 10-10 m/s2
d) 1.67 x 10-10 ms 2 and 1.08 x 1010 m/s2
CONCEPT - II
GRAVITATIONAL FIELD STRENGTH Hi​

Answer 1

Answer:

Two particles of masses 1kg and 2kg are placed at a separation of 50cm. Assuming that the only forces

acting on the particles are their mutual gravitation, the initial accelerations of the two particles are

a) 6 x 10-1°ms 2 and 8.7 x 10-1°m/s2

b) 5.3 x 10-1°ms 2 and 2.65 x 10 10m/s2 161

c) 1.57 x 10-10 ms-2 and 3.4 x 10-10 m/s2

d) 1.67 x 10-10 ms 2 and 1.08 x 1010 m/s2

CONCEPT - II

GRAVITATIONAL FIELD STRENGTH