Answer:

m

1

=50 kg,m

2

=60 kg

d=2 m,G=6.67×10−11 Nm

2

/kg

2

F=G

d

2

m

1

m

2

=

2

2

G×50×60

=750×G

=750×6.67×10

−11

=5.0025×10

−8

N

Force of attraction by a body on earth GMm

F=(

R

2

GMm

)

G− Gravitational constant

M− Mass of earth

m− Mass of body

R− Radius of earth