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

They will fly away in straight lines.

They will stop moving and become static.

They will start moving toward the Sun

Which of these best describes why your weight (on Earth) would change on another planet?

Different planets have different gravitational pulls

Dehydration effects on different planets change weight.

In general, the smaller the planet, the greater weight

Weight does not change, no matter where you are.

Galileo found that a ball rolling down one inclined plane would roll how far up another inclined plane?

The ball would not roll up the other plane at all.

to nearly twice the original height.

to nearly half it original height

After a cannonball is fired into frictionless space, the amount of force needed to keep it going equals

zero, since no force is requires to keep it moving.

twice the force with which it was fired

the same amount of force with which it was fired

1/2 the force with which it was fired

An object following a straight-line path at a constant speed

has a net force acting in the direction of motion

Suppose that an astronaut throws a rock in outer space at a location far from significant influences of gravity and air resistance. One would expect that that the rock would

Continue in motion with the same speed and direction

Eventually stop since all objects ultimately “lose their steam”

Eventually stop as its inertia slowly becomes used up

Either a,b,c… depending on whether the astronaut continues to push it.

The law of inertia (Newton’s First Law) applies

to both moving and nonmoving objects

only to objects that are not moving

Mac and Tosh are arguing in the cafeteria. Tosh says that if he flings the Jell-O with a greater speed it will have a greater inertia. Mac argues that inertia does NOT depend upon the speed, but rather upon the mass. Who is correct?

Neither is correct in the concept of inertia

A sled slides down a hill, reaches the level surface and eventually comes to a stop. The fact that the sled ultimately stops is best explained by _?__

The presence of an unbalanced force (e.g. friction) can cause a moving object to stop

An unbalanced force would be required to keep the sled moving forward at constant speed

The presence of inertia causes it to stop

The natural tendency of any object is to ultimately stop

An object will not have any inertia if it is _?_

… Nonsense! All objects have inertia

Gravity and Inertia

Quiz

•

Physics

•

5th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-PS2-4, MS-ESS1-2, MS-PS2-2

Standards-aligned

James Nohe

Used 207+ times

FREE Resource

Student preview

25 questions

Show all answers

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What forces cause a planet to orbit?

gravity and orbit

gravity and inertia

gravity and mass

gravity and weight

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An astronaut weighs ____ in space.

less

the same

100 Newtons

Tags

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You weigh more on a mountain than in a valley.

True

False

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You weigh more on the beach than on a mountain.

True

False

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Your mass increases on a large planet with more gravity.

True

False

Tags

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

On Earth, which has a greater gravitational force acting on it?

an iPhone

a laptop

a dog

a car

Tags

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Gravity on the moon is about 1/6 the gravity felt on the earth. This is because

the moon is much less massive than the earth

the earth has a molten core and the moon doesn't

the moon is so much further from the sun than the earth.

the moon is so far away from the earth

Tags

NGSS.MS-PS2-4

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Gravity and Inertia

25 questions

What forces cause a planet to orbit?

An astronaut weighs ____ in space.

You weigh more on a mountain than in a valley.

You weigh more on the beach than on a mountain.

Your mass increases on a large planet with more gravity.

On Earth, which has a greater gravitational force acting on it?

Gravity on the moon is about 1/6 the gravity felt on the earth. This is because

An astronaut's mass ______ in space.

Which of these two affect the pull of gravity on an object?

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

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