Gravitational Constant — Prelims Questions

Which of the following statements about the Universal Gravitational Constant ($G$) is INCORRECT?

The dimensional formula of the Universal Gravitational Constant ($G$) is:

Two spherical objects of mass $10,\text{kg}$ each are placed with their centers $1,\text{m}$ apart. What is the gravitational force of attraction between them? (Given $G = 6.67 \times 10^{-11} N cdot m^2/kg^2$)

If the Earth suddenly shrinks to half its radius without any change in its mass, what would happen to the value of the Universal Gravitational Constant ($G$)?

Which of the following is the correct unit for the Universal Gravitational Constant ($G$) in the SI system?

The value of the Universal Gravitational Constant ($G$) was first determined experimentally by: