Free Fall

The state that exists when the only force acting on an object is gravity is called

• free fall

• inertia

• acceleration

• momentum

Tags

NGSS.MS-PS2-4

The acceleration due to gravity near the surface of Earth is equal to

• 9.8 m/s

• 9.8 kg x m/s

• 9.8 N

• 9.8 m/s²

Tags

NGSS.HS-PS2-4

Satellites in orbit around the Earth travel in almost circular path because Earth is

• centripetal

• free falling

• curved

• massive

Tags

NGSS.HS-PS2-4

NGSS.HS-ESS1-4

The word centripetal means

• center seeking

• gravitational

• continuous

• free falling

The force that causes an object to move in a circle is called centripetal force?

• True

• False

Any object that travels around another object in space is a satellite.

• True

• False

Tags

NGSS.HS-PS2-4

NGSS.HS-ESS1-4

An object traveling in a circle is accelerating because it is constantly changing

• speed

• velocity

• direction

• force

Tags

NGSS.HS-PS2-1

______________ is the centripetal force that causes a satellite to move in a circle.

• String

• Space Shuttle

• Gravity

• Helicopter

Tags

NGSS.HS-PS2-4

NGSS.HS-ESS1-4

Satellites in orbit around Earth continually fall toward _______.

• Moon

• my house

• Earth

• the sun.

Tags

NGSS.HS-PS2-4

NGSS.HS-ESS1-4

If you could turn off a centripetal force, ___________ would cause the object to fly off in a straight line.

• inertia

• momentum

• Earth

• force

Tags

NGSS.MS-PS2-2