Question

. The SI unit of G is…..

(a) Nm2

kg-

1

(b) Nm2

kg-

2

(c) Nm2

kg (d) N-

1

m

2

kg-

2​

Answer 1

Answer:

Newtons kg

In SI units, G has the value 6.67 × 10-11 Newtons kg-2 m2. The direction of the force is in a straight line between the two bodies and is attractive. Thus, an apple falls from a tree because it feels the gravitational force of the Earth and is therefore subject to “gravity”.