8.6.5 Free Fall & Circular motion

The force that causes an object to move in a circle is called _________________________ force.

Any object that travels around another object in space is a(n) __________________________

Tags

NGSS.MS-ESS1-2

An object traveling in a circle is accelerating because it is ___________________________.

• moving at a constant speed
• slowing down
• gaining speed
• changing direction

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

Tags

NGSS.MS-ESS1-2

Satellites in orbit around Earth continually fall toward Earth.

• True
• False

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

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

• gravity
• inertia
• mass
• velocity

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 **note, the big 2 in these units is supposed to be "squared"

• 9.8 m/s2
• 98 m/s2
• 9.8 N
• 98 N

Tags

NGSS.MS-PS2-4

The word centripetal means

• free falling
• gravitational
• continuous
• center seeking

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

• centripetal
• free falling
• massive
• curved

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4