Gravity

Who discover gravity?

• Leonardo da Vinci

• Platón

• Isaac Newton

• Descartes

The moon is in orbit around Earth because of

• the oxygen in the air

• the sun

• the ozone layer

• gravity

What keeps the Earth in orbit around the sun?

• Star's gravity

• Moon's gravity

• Sun's gravity

The force of attraction that exists between all objects that have mass.

• gravity

• mass

• weight

• friction

Who formulated the laws of motion and universal gravitation?

• Nicolaus Copernicus

• Galileo Galilei

• Isaac Newton

• William Harvey

When an object's mass increases what happens to its gravitational force?

• it increases

• it decreases

• it stays the same

True or False:

All objects in the universe have a gravitational force.

• TRUE

• FALSE

what gravity do?

• it makes you fall

• it makes you fly

• it makes you jump

• it is an invisible force that pulls objects towards each other

what force is caused by gravity?

• mass

• weight

• downforce

the force of gravity of an object depends on which of the following quantites?

• momentum of the object

• mass of the object

• size of the object

• volume of the object