Law of Universal Gravitation

The discovery of “Universal Gravitation” is associated with:

• Robert Hook

• Isaac Newton

• James Joule

• Max Plank

The force of gravity on you is greatest when you are standing _____.

• far above Earth's surface

• just above Earth's surface

• on Earth's surface

• below Earth’s surface

The gravitational field is directed

• towards the earth

• away from earth

• with no direction

• in a specific direction making angle with earth

The Earth attracts a body with a force equal to its_____________.

• weight

• area

• volume

• pollution

Energy object possesses due to its position is called _______.

• kinetic energy

• mechanical energy

• potential energy

• chemical energy

The force due to which everybody of the universe attracts every other body is ________.

• force of gravitation

• force of limiting friction

• force of inertia

• force of mechanics

In the mathematical form of Newton’s law of universal gravitation, the symbol G stands for ________________.

• gravity

• the acceleration of gravity

• the gravitational constant

• the gravitational potential energy

The gravitational pull of the Earth acting on the body whether the body is in contact with the Earth or not, is known as _________.

• force of inertia

• force of limiting friction

• force of gravity

• field force

According to Newton’s law of universal gravitation, the force of gravitational attraction between a planet and an object located upon the planet’s surface depends upon ______________.

• the radius of the planet

• the mass of the object

• the mass of the planet

• All of the above

The evidence that stimulated Newton to propose the law of universal gravitation emerged from a study of __________.

• the motion of the moon and other celestial or heavenly bodies

• the fall of an apple to the earth

• the gravitational interaction of smaller objects upon the earth

• there is no evidence