Gravity and Satellite Motion

What relationship between gravity and inertia (speed) is necessary for planets or satellites to remain in orbit?

• Gravity is greater than inertia

• Inertia is greater than gravity

• Gravity and inertia are in balance

• None of the Above

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which planet would be traveling at the slowest speed?

• Planet b

• Planet c

• Planet d

• Planet e

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS3-1

The strength of gravity is determined by two things. They are

• distance apart and whether they are made of metal

• total mass and distance apart

• total mass and how close it is to the Earth

• how close it is to the Earth and whether they are made of metal

Tags

NGSS.MS-PS2-4

A(n) _?_ is the time it takes an object to travel once in a one complete orbit.

• phase
• rotation
• revolution
• axis

Tags

NGSS.MS-ESS1-2

If you increase the distance between the Sun and the Earth slightly, what happens to the time it takes it to complete a revolution?

• It decreases.

• It remains the same.

• It increases.

Tags

NGSS.MS-ESS1-2

Which satellite orbits faster around Earth?

• Satellite that is 300 miles up

• Satellite that is 500 miles up

Planets that are farther from the sun

• take more time to orbit

• take less time to orbit

Which is TRUE for each planet as the distance from the Sun decreases.

• They orbit the Sun more slowly than inner planets.

• They get closer together than inner planets.

• They revolve (orbit) more quickly around the Sun than planets farther away.

Two satellites of equal mass are in circular orbit around a planet. Satellite b is twice as far out. Which feels a stronger gravitational force?

• Satellite a

• Satellite b

• Both the same

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

The space shuttle is orbiting the Earth clockwise. Which vector shows the direction of the gravitational force acting on the shuttle?

• a

• b

• c

• d