Inertia and Gravity

Because of inertia, a moving object will keep ________.

• at rest
• moving
• in one spot
• inertia 

Tags

NGSS.HS-PS2-1

Because of inertia, a resting object will remain at ________.

• rest
• a constant speed
• school
• inertia 

A force which tries to pull two objects towards each other is

• gravity

• inertia

• mass

• speed

Tags

NGSS.HS-PS2-4

To change the motion of an object, inertia must be overcome by a __________ acting on the object.

• temperature
• speed
• force
• velocity

Tags

NGSS.HS-PS2-1

What two forces affect gravity?

• mass and inertia

• mass and distance

• mass and force

• mass and weight

Tags

NGSS.HS-PS2-4

Larger masses have a

• weaker gravitational force

• stronger gravitational force

• equal gravitational force

Tags

NGSS.HS-PS2-4

Holds the Earth and other planets in orbit around the Sun.

• The Sun's gravitational force

• The moon's gravitational force

• The Earth's gravitational force

• The lack of gravitational force

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

What forces cause a planet to orbit?

• gravity and orbit
• gravity and inertia
• gravity and mass
• gravity and weight

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

What would happen to the planets in the solar system if the sun’s gravitational force were to suddenly disappear?

• They will stop moving and become static.
• They will stop spinning.
• They will fly away in straight lines.
• They will start moving toward the Sun

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

Complete the excerpt of Newton's First Law of Motion

"...and an object at rest will ________ until acted on by an unbalanced force."

• ...stay at rest...

• ...start an increasing motion...

• ...start a decreasing motion...