Planetary Motion Quiz Review Unit 3.1

What shape is Earth's orbit?

• circle

• ellipse

• square

• spiral

Tags

NGSS.HS-ESS1-4

Gravity is increased with...

• greater mass & shorter distance
• greater mass & farther distance
• lower mass & shorter distance
• lower mass & farther distance

Tags

NGSS.HS-PS2-4

A planet's potential energy is __________ when it is close to the sun.

• greatest

• least

• the same

A planet moves __________ when it is farthest from the sun.

• faster
• slower

Tags

NGSS.HS-ESS1-4

Two factors effecting the magnitude of the force of gravity between 2 objects are...

• mass and distance 
• mass and matter
• distance and weight 
• weight and mass

Tags

NGSS.HS-PS2-4

Two spherical objects have masses of 8000 kg and 1500 kg. Their centers are separated by a distance of 1.5 m. Find the gravitational attraction between them G= 6.673 X 10^-11 Nm^2/kg^2.

• 5.4 X 10^-4 N

• 1.2 X 10⁷ N

• 3.6 X 10^-4 N

• 5.33 N

Which configuration will result in the greatest gravitational force?

• small masses far apart

• large masses far apart

• small masses close together

• large masses close together

Tags

NGSS.MS-PS2-4

What happens to Gravitational force if I double both of the masses but don't change their distance?

• doubles
• half as big
• 4x bigger
• 4x smaller

Tags

NGSS.MS-PS2-4

A 500 kg asteroid is located 3.4 x10⁷m from the center of Earth. The mass of Earth is 6.0x10²⁴ kg. What is the gravitational force between the asteroid and Earth?

F = G m₁m₂/r²

G= 6.67 x 10^-11

• 1.73 x 10² N

• 4.63 x 10⁵ N

• 2.94 x 10³ N

• 6.42 x 10⁴ N

As the distance away from the sun increases, how does a planet's orbital velocity change?

• It increases

• It decreases

• It stays the same