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English words and Examples of Usage

Example Sentences for "gravity"


Galileo helped us to understand motion and gravity when he began to study falling bodiesIsaac Newton began his famous experiments with gravity in 1664.

Galileo helped us to understand motion and gravity when he began to study falling bodies.

The moon's gravitational field exerts tidal forces on our oceans.

A falling body is accelerated at 9.8 m/sec2 due to gravity.

The atmosphere of Mars is very thin because the low gravity is unable to retain most gases.

By considering the motion of the moon, Isaac Newton was able to demonstrate that objects attract each other with a gravitational force that is proportional to the product of their masses.

One needs to understand Newton's laws of motion and gravity to understand orbital motion.

An object in space would move along a straight line and quickly leave the Earth were it not for the earth's gravity forcing it to follow a curved path.

Albert Einstein published two theories that extended the known laws of motion and gravity.

Einstein's theory of relativity held that a gravitational field is a curvature of time-space caused by the presence of a mass.

Our sun, like all stars, is held together by its own gravity.

The moon's gravity is only one sixth that of the Earth.

Over time gravity can kill a star by crushing it in on itself.

A star is simply a huge ball of gas caught in a battle between gravity trying to make it contract, and nuclear fusion trying to make it expand.

As an object shrinks, its density and the strength of its gravity at its surface increases.

A space vehicle must move at a rate of at least 17 miles per second to escape Earth's gravitational pull.

In space, astronauts can't cry because there is no gravity, so the tears can't flow.

The spaceship was having trouble leaving the atmosphere of the dark planet because the gravitational force was too strong.

Some scholars suggest that Galileo's book Principia may have contained a general formulation of the concept of gravity.

The largest part of a rocket is simply a gas tank for holding the vast amounts of fuel needed to get the rocket past our Earth's gravitational pull.

Most of the fuel used by rockets is used in the first phase of the rocket's flight because it has to escape the gravitational pull inside the Earth's atmosphere.

Albert Einstein once remarked that gravitation cannot be held responsible for people falling in love.

Legend has it that Isaac Newton formulated the principle of gravity while sitting under an apple tree.

The action of the ocean's tide is caused by the gravitational force of the moon.

An Armenian proverb notes that the gravity of the earth is so strong that the old gray man walks crooked.

Leon Trotsky once claimed that not believing in force is the same as not believing in gravity.

Someone once joked, There is no gravity. The earth sucks.

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